Run Instrumentation tests and generates unified code coverage (#4828)

* Run instrumentation tests on CI and generate unified coverage report

* Fix ci

* Fix failing tests and use mac machine for HAXM

* Fix failing tests

* Fix coverage failure

* Try with ubuntu latest

* Change API level to 23

* Fix Failing Test

* Add prod APK generator workflow back

.github/workflows/android.yml

@@ -8,8 +8,11 @@ concurrency:
 
 jobs:
   build:
-    name: Build APK and Run Unit Tests
+    name: Run tests and generate APK
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        api-level: [23]
 
     steps:
       - uses: actions/checkout@v2.4.0
@@ -30,7 +33,36 @@ jobs:
           key: gradle-packages-${{ runner.os }}-${{ hashFiles('**/*.gradle', '**/*.gradle.kts', 'gradle.properties') }}
           restore-keys: gradle-packages-${{ runner.os }}
 
-      - name: Build with Gradle and run Unit Tests
+      - name: AVD cache
+        uses: actions/cache@v2
+        id: avd-cache
+        with:
+          path: |
+            ~/.android/avd/*
+            ~/.android/adb*
+          key: avd-${{ matrix.api-level }}
+
+      - name: Create AVD and generate snapshot for caching
+        if: steps.avd-cache.outputs.cache-hit != 'true'
+        uses: reactivecircus/android-emulator-runner@v2
+        with:
+          api-level: ${{ matrix.api-level }}
+          force-avd-creation: false
+          emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+          disable-animations: false
+          script: echo "Generated AVD snapshot for caching."
+
+      - name: Run Instrumentation tests
+        uses: reactivecircus/android-emulator-runner@v2
+        with:
+          api-level: ${{ matrix.api-level }}
+          force-avd-creation: false
+          emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+          disable-animations: true
+          profile: Nexus 6
+          script: ./gradlew connectedBetaDebugAndroidTest --stacktrace
+
+      - name: Run Unit tests
         run: ./gradlew -Pcoverage testBetaDebugUnitTestCoverage --stacktrace
 
       - name: Upload Test Report to Codecov