Re-enabled the emulator caching in CI.

.github/workflows/ci.yml

@@ -43,6 +43,33 @@ jobs:
           sudo udevadm control --reload-rules
           sudo udevadm trigger --name-match=kvm
 
+      - name: AVD cache
+        uses: actions/cache@v4
+        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 }}
+          target: default
+          arch: x86_64
+          profile: pixel_2
+          ram-size: 4096M
+          force-avd-creation: false
+          sdcard-path-or-size: 2048M
+          cores: 4
+          disable-animations: false
+          heap-size: 512M
+          emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+          channel: canary
+          script: echo "Generated AVD snapshot for caching."
+
       - name: create instrumentation coverage
         uses: reactivecircus/android-emulator-runner@v2
         env:
@@ -54,8 +81,10 @@ jobs:
           profile: pixel_2
           ram-size: 4096M
           cores: 4
+          emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
           sdcard-path-or-size: 2048M
           disable-animations: true
+          force-avd-creation: false
           heap-size: 512M
           emulator-boot-timeout: 1200
           script: bash contrib/instrumentation.sh
@@ -71,8 +100,10 @@ jobs:
           profile: pixel_2
           ram-size: 3072M
           cores: 4
-          sdcard-path-or-size: 1024M
+          emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
           disable-animations: true
+          force-avd-creation: false
+          sdcard-path-or-size: 1024M
           emulator-boot-timeout: 1200
           heap-size: 512M
           script: bash contrib/instrumentation-customapps.sh