Create android_build.yml

.github/workflows/android_build.yml

@@ -0,0 +1,27 @@
+name: Android Build CI
+
+on:
+  push:
+    branches: [ feature/gitactions-build ]
+  pull_request:
+    branches: [ feature/gitactions-build ]
+
+jobs:
+  build:
+
+    runs-on: [ self-hosted ]
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: set up JDK 11
+      uses: actions/setup-java@v2
+      with:
+        java-version: '11'
+        distribution: 'adopt'
+    - name: Setup Android SDK
+      uses: android-actions/setup-android@v2
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+    - name: Unit Test
+      run: ./gradlew testDebugUnitTest