servo: Make CI use ubuntu runner (#10088)

- Use ubuntu runner for andorid build
- Skip release in android build

Author: burhankhanzada

.github/workflows/ci.yaml

@@ -646,6 +646,3 @@ jobs:
         needs: files-changed
         if: needs.files-changed.outputs.servo_example == 'true'
         uses: ./.github/workflows/servo_example.yaml
-        secrets:
-            ANDROID_KEYSTORE_BASE64: ${{ secrets.ANDROID_KEYSTORE_BASE64 }}
-            ANDROID_KEYSTORE_PASSWORD: ${{ secrets.ANDROID_KEYSTORE_PASSWORD }}

.github/workflows/servo_example.yaml

@@ -6,11 +6,6 @@ name: Servo example
 on:
   workflow_dispatch:
   workflow_call:
-    secrets:
-      ANDROID_KEYSTORE_BASE64:
-        required: true
-      ANDROID_KEYSTORE_PASSWORD:
-        required: true
 
 jobs:
   matrix_build:
@@ -36,12 +31,9 @@ jobs:
         working-directory: examples/servo
         run: cargo build --release
   android_build:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     env:
       CARGO_INCREMENTAL: false
-      CARGO_PROFILE_RELEASE_OPT_LEVEL: s
-      CARGO_APK_RELEASE_KEYSTORE: /Users/runner/.android/release.keystore
-      CARGO_APK_RELEASE_KEYSTORE_PASSWORD: ${{ secrets.ANDROID_KEYSTORE_PASSWORD }}
     steps:
       - uses: actions/checkout@v5
         # required for servo
@@ -55,17 +47,13 @@ jobs:
         uses: ./.github/actions/install-linux-dependencies
       - name: Install skia dependencies
         uses: ./.github/actions/install-skia-dependencies
-        # required for anroid
+        # required for android
       - name: Install API level
         run: ${ANDROID_HOME}/cmdline-tools/latest/bin/sdkmanager --install "platforms;android-30"
       - name: Install cargo-apk
         run: cargo install cargo-apk
-      - name: Decode keystore
-        run: |
-          mkdir -p /Users/runner/.android
-          echo "${{ secrets.ANDROID_KEYSTORE_BASE64 }}" | base64 --decode > $CARGO_APK_RELEASE_KEYSTORE
       - name: Build
         working-directory: examples/servo
         run: |
-          export BINDGEN_EXTRA_CLANG_ARGS="--target=aarch64-linux-android30 --sysroot=$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/darwin-x86_64/sysroot"
-          cargo apk build --target aarch64-linux-android --lib --release
+          export BINDGEN_EXTRA_CLANG_ARGS="--target=aarch64-linux-android30 --sysroot=$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/sysroot"
+          cargo apk build --target aarch64-linux-android --lib