Use CircleCI for SNAPSHOT deployment (#260)

Summary:
Per title. It actually works!
Pull Request resolved: https://github.com/facebook/flipper/pull/260

Reviewed By: jknoxville

Differential Revision: D9633320

Pulled By: passy

fbshipit-source-id: 10ee856977fa0a337972a472d41eb7a83075c39b

.circleci/config.yml

@@ -5,7 +5,11 @@ jobs:
       - image: circleci/android:api-28-ndk-r17b
     steps:
       - checkout
-      - run: ./gradlew :sample:assembleDebug
+      - run:
+          name: build and deploy
+          command: |
+            ./gradlew :sample:assembleDebug
+            scripts/publish-android-snapshot.sh
 
 workflows:
   version: 2