build(android): add google services and update NDK version

Configure Firebase/Google Services support for Android and update the CI
build pipeline to use a newer NDK version.

- Add `google-services.json` and configure `googleServicesFile` in `app.json`
- Add `com.google.gms:google-services:4.4.4` classpath to build workflow
- Update Android NDK version from `27.0.12077973` to `27.1.12297006` in CI cache and installation steps

.gitea/workflows/build.yml

@@ -213,16 +213,16 @@ jobs:
         uses: actions/cache@v4
         id: cache-ndk
         with:
-          path: /opt/android/ndk/27.0.12077973
-          key: ndk-27.0.12077973-v1
+          path: /opt/android/ndk/27.1.12297006
+          key: ndk-27.1.12297006-v1
 
       - name: Install Android NDK
         if: steps.cache-ndk.outputs.cache-hit != 'true'
         run: |
           echo "Existing NDK versions:"
           ls /opt/android/ndk/ 2>/dev/null || echo "No NDK dir"
-          echo "Installing NDK 27.0.12077973..."
-          yes | sdkmanager --install "ndk;27.0.12077973"
+          echo "Installing NDK 27.1.12297006..."
+          yes | sdkmanager --install "ndk;27.1.12297006"
           echo "NDK after install:"
           ls /opt/android/ndk/
 
@@ -345,6 +345,7 @@ jobs:
               classpath('com.huawei.agconnect:agcp:1.9.1.301') {
                 exclude group: 'com.huawei.agconnect', module: 'agconnect-apms-plugin'
               }
+              classpath('com.google.gms:google-services:4.4.4')
               classpath('com.android.tools.build:gradle:8.12.0')
               classpath('com.facebook.react:react-native-gradle-plugin')
               classpath('org.jetbrains.kotlin:kotlin-gradle-plugin')