Separate snapshot publish logic (facebook#288)

Summary:
Snapshots should only ever be published off of master.
Pull Request resolved: facebook#288

Reviewed By: danielbuechele

Differential Revision: D10161974

Pulled By: passy

fbshipit-source-id: dca8463ff80de9d407758405c24e6511bef534d1

.circleci/config.yml

@@ -7,9 +7,16 @@ jobs:
  - checkout
  - run:
  name: build and deploy
- command: |
- ./gradlew :sample:assembleDebug
- scripts/publish-android-snapshot.sh
+ command: ./gradlew :sample:assembleDebug
+
+ snapshot:
+ docker:
+ - image: circleci/android:api-28-ndk-r17b
+ steps:
+ - checkout
+ - run:
+ name: build and deploy
+ command: scripts/publish-android-snapshot.sh
 
  release:
  docker:
@@ -25,6 +32,10 @@ workflows:
  build-and-deploy:
  jobs:
  - build
+ - snapshot:
+ filters:
+ branches:
+ only: master
  - release:
  filters:
  tags: