Revert "Move widget picker tests to Robolectric"

This reverts commit efc24f9.

Reason for revert: Potential cause for flakiness https://android-build.corp.google.com/test_investigate/?invocationId=I07000010279081631&testResultId=TR32129311605132927

Change-Id: I4f0154bc101b6bc840c11ff0b6bf42f4ebc5ed03

tests/multivalentTests/src/com/android/launcher3/util/WidgetUtils.java

@@ -15,12 +15,15 @@
  */
 package com.android.launcher3.util;
 
+import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
+import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentation;
+
+import android.appwidget.AppWidgetManager;
 import android.appwidget.AppWidgetProviderInfo;
 import android.content.ComponentName;
 import android.content.Context;
-import android.content.pm.ActivityInfo;
-import android.content.pm.ApplicationInfo;
 import android.os.Bundle;
+import android.os.Process;
 
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.model.data.LauncherAppWidgetInfo;
@@ -84,10 +87,10 @@ public static LauncherAppWidgetInfo createWidgetInfo(
      * Creates a {@link AppWidgetProviderInfo} for the provided component name
      */
     public static AppWidgetProviderInfo createAppWidgetProviderInfo(ComponentName cn) {
-        ActivityInfo activityInfo = new ActivityInfo();
-        activityInfo.applicationInfo = new ApplicationInfo();
-        AppWidgetProviderInfo info = new AppWidgetProviderInfo();
-        info.providerInfo = activityInfo;
+        AppWidgetProviderInfo info = AppWidgetManager.getInstance(getApplicationContext())
+                .getInstalledProvidersForPackage(
+                        getInstrumentation().getContext().getPackageName(), Process.myUserHandle())
+                .get(0);
         info.provider = cn;
         return info;
     }

tests/multivalentTests/src/com/android/launcher3/widget/picker/WidgetRecommendationCategoryProviderTest.java → tests/src/com/android/launcher3/widget/picker/WidgetRecommendationCategoryProviderTest.java

@@ -25,6 +25,7 @@
 import static android.content.pm.ApplicationInfo.CATEGORY_VIDEO;
 import static android.content.pm.ApplicationInfo.FLAG_INSTALLED;
 
+import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
 import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentation;
 
 import static com.google.common.truth.Truth.assertThat;
@@ -34,6 +35,7 @@
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.when;
 
+import android.appwidget.AppWidgetManager;
 import android.appwidget.AppWidgetProviderInfo;
 import android.content.ComponentName;
 import android.content.Context;
@@ -51,7 +53,6 @@
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.model.WidgetItem;
 import com.android.launcher3.util.Executors;
-import com.android.launcher3.util.WidgetUtils;
 import com.android.launcher3.widget.LauncherAppWidgetProviderInfo;
 
 import com.google.common.collect.ImmutableMap;
@@ -151,8 +152,11 @@ private void createTestWidgetItem() {
 
         doAnswer(invocation -> widgetLabel).when(mIconCache).getTitleNoCache(any());
 
-        AppWidgetProviderInfo providerInfo = WidgetUtils.createAppWidgetProviderInfo(ComponentName
-                .createRelative(TEST_PACKAGE, widgetClassName));
+        AppWidgetProviderInfo providerInfo = AppWidgetManager.getInstance(getApplicationContext())
+                .getInstalledProvidersForPackage(
+                        getInstrumentation().getContext().getPackageName(), Process.myUserHandle())
+                .get(0);
+        providerInfo.provider = ComponentName.createRelative(TEST_PACKAGE, widgetClassName);
 
         LauncherAppWidgetProviderInfo launcherAppWidgetProviderInfo =
                 LauncherAppWidgetProviderInfo.fromProviderInfo(mContext, providerInfo);

tests/multivalentTests/src/com/android/launcher3/widget/picker/search/SimpleWidgetsSearchAlgorithmTest.java → tests/src/com/android/launcher3/widget/picker/search/SimpleWidgetsSearchAlgorithmTest.java

@@ -17,7 +17,6 @@
 package com.android.launcher3.widget.picker.search;
 
 import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
-import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentation;
 
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.WidgetUtils.createAppWidgetProviderInfo;
@@ -164,7 +163,7 @@ public void doSearch_shouldInformCallback() throws Exception {
                 .when(mDataProvider)
                 .getAllWidgets();
         mSimpleWidgetsSearchAlgorithm.doSearch("Ca", mSearchCallback);
-        getInstrumentation().waitForIdleSync();
+        MAIN_EXECUTOR.submit(() -> { }).get();
         verify(mSearchCallback).onSearchResult(
                 matches("Ca"), argThat(a -> a != null && !a.isEmpty()));
     }

tests/multivalentTests/src/com/android/launcher3/widget/picker/util/WidgetPreviewContainerSizesTest.kt → tests/src/com/android/launcher3/widget/picker/util/WidgetPreviewContainerSizesTest.kt

@@ -43,7 +43,6 @@ class WidgetPreviewContainerSizesTest {
     private lateinit var context: Context
     private lateinit var deviceProfile: DeviceProfile
     private lateinit var testInvariantProfile: InvariantDeviceProfile
-    private lateinit var widgetItemInvariantProfile: InvariantDeviceProfile
 
     @Mock private lateinit var iconCache: IconCache
 
@@ -52,11 +51,6 @@ class WidgetPreviewContainerSizesTest {
         MockitoAnnotations.initMocks(this)
         context = ActivityContextWrapper(ApplicationProvider.getApplicationContext())
         testInvariantProfile = LauncherAppState.getIDP(context)
-        widgetItemInvariantProfile =
-            InvariantDeviceProfile().apply {
-                numRows = TEST_GRID_SIZE
-                numColumns = TEST_GRID_SIZE
-            }
         deviceProfile = testInvariantProfile.getDeviceProfile(context).copy(context)
     }
 
@@ -66,8 +60,7 @@ class WidgetPreviewContainerSizesTest {
         val expectedPreviewContainers = testSizes.values.toList()
 
         for ((index, widgetSize) in testSizes.keys.withIndex()) {
-            val widgetItem =
-                createWidgetItem(widgetSize, context, widgetItemInvariantProfile, iconCache)
+            val widgetItem = createWidgetItem(widgetSize, context, testInvariantProfile, iconCache)
 
             assertWithMessage("size for $widgetSize should be: ${expectedPreviewContainers[index]}")
                 .that(WidgetPreviewContainerSize.forItem(widgetItem, deviceProfile))
@@ -77,7 +70,6 @@ class WidgetPreviewContainerSizesTest {
 
     companion object {
         private const val TEST_PACKAGE = "com.google.test"
-        private const val TEST_GRID_SIZE = 6
 
         private val HANDHELD_TEST_SIZES: Map<Point, WidgetPreviewContainerSize> =
             mapOf(