Merge pull request #2662 from square/py/fix_ci

Fix Emulators in CI broken by MacOS switching to ARM. Back to Ubuntu, now faster with KVM

.github/workflows/main.yml

@@ -26,7 +26,7 @@ jobs:
         run: ./gradlew build --stacktrace
 
   instrumentation-tests:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     timeout-minutes: 30
     strategy:
       # Allow tests to continue on other devices if they fail on one device.
@@ -55,20 +55,26 @@ jobs:
         #    target: aosp_atd
         #    channel: canary
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-java@v3
+      - name: Enable KVM group perms
+        run: |
+          echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
+          sudo udevadm control --reload-rules
+          sudo udevadm trigger --name-match=kvm
+          ls /dev/kvm
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
         with:
           java-version: 17
           distribution: 'zulu'
       - uses: gradle/gradle-build-action@v2
       - name: AVD cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: avd-cache
         with:
           path: |
             ~/.android/avd/*
             ~/.android/adb*
-          key: avd-${{ matrix.api-level }}-${{ matrix.os }}-${{ matrix.target }}
+          key: avd-cached-${{ matrix.api-level }}-${{ matrix.os }}-${{ matrix.target }}
       - name: Create AVD and generate snapshot for caching
         if: steps.avd-cache.outputs.cache-hit != 'true'
         uses: reactivecircus/android-emulator-runner@v2
@@ -84,6 +90,7 @@ jobs:
         uses: reactivecircus/android-emulator-runner@v2
         with:
           api-level: ${{ matrix.api-level }}
+          force-avd-creation: false
           target: ${{ matrix.target }}
           arch: ${{ matrix.arch }}
           emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none -no-snapshot-save