Bug 1436612 - Remove the mozharness copy of tooltool.py r=glandium

Remove the mozharness copy of tooltool.py from mozilla-central.

Continue to keep a tooltool.py instance in the same path in mozharness.zip, copied from mozbuild.

Where it's simple, switch to use the mozbuild instance, but keep some mozharness tooltool.py references (when based on mozharness.zip).

Also make a minor change to mozproxy which had a bug in its mozharness-detection logic.

Differential Revision: https://phabricator.services.mozilla.com/D167223

build/sparse-profiles/perftest

@@ -4,5 +4,5 @@
 path:tools/lint/eslint/
 path:testing/performance
 path:testing/condprofile
-path:testing/mozharness/external_tools/tooltool.py
+path:python/mozbuild/mozbuild/action/tooltool.py
 glob:**/perftest_*.js

python/mozbuild/mozbuild/action/test_archive.py

@@ -333,6 +333,12 @@
             "base": "third_party/python/packaging",
             "pattern": "**",
         },
+        {
+            "source": buildconfig.topsrcdir,
+            "base": "python/mozbuild/mozbuild/action",
+            "pattern": "tooltool.py",
+            "dest": "external_tools",
+        },
     ],
     "reftest": [
         {"source": buildconfig.topobjdir, "base": "_tests", "pattern": "reftest/**"},

testing/mozbase/mozproxy/mozproxy/utils.py

@@ -96,7 +96,7 @@ def outputHandler(line):
     tooltool_path = None
 
     for path in TOOLTOOL_PATHS:
-        if os.path.exists(os.path.dirname(path)):
+        if os.path.exists(path):
             tooltool_path = path
             break
     if tooltool_path is None:

testing/mozbase/mozrunner/mozrunner/devices/android_device.py

@@ -30,7 +30,7 @@
     os.path.expanduser("~"), ".emulator_console_auth_token"
 )
 
-TOOLTOOL_PATH = "testing/mozharness/external_tools/tooltool.py"
+TOOLTOOL_PATH = "python/mozbuild/mozbuild/action/tooltool.py"
 
 TRY_URL = "https://hg.mozilla.org/try/raw-file/default"