ci: Enable caching for AVDs

Note workaround for
ReactiveCircus/android-emulator-runner#319

Author: Joseph Cooper

.github/workflows/data-integration-tests.yml

@@ -47,6 +47,27 @@ jobs:
         with:
           cache-read-only: false
 
+      - name: AVD cache
+        uses: actions/cache@v3
+        id: avd-cache
+        with:
+          path: |
+            ~/.android/avd/*
+            ~/.android/adb*
+          key: avd-${{ matrix.api-level }}-${{ matrix.target-level }}
+
+      - name: create AVD and generate snapshot for caching
+        if: steps.avd-cache.outputs.cache-hit != 'true'
+        uses: reactivecircus/android-emulator-runner@v2
+        with:
+          profile: "Galaxy Nexus"
+          api-level: ${{ matrix.api-level }}
+          target: ${{ matrix.target }}
+          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."
+
       ## Build before running tests
       - name: Build instrumented integration tests
         uses: gradle/gradle-build-action@v2
@@ -68,7 +89,8 @@ jobs:
           force-avd-creation: false
           emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
           disable-animations: true
-          script: ./gradlew :integration-tests:firebase:connectedCheck
+          # Workaround for https://github.com/ReactiveCircus/android-emulator-runner/issues/319
+          script: adb uninstall "com.omricat.maplibrarian.integration-testing.debug"; ./gradlew :integration-tests:firebase:connectedCheck
 
       - name: Extract logs from firebase emulator container
         if: ${{ always() }}