feat: Upgrade Gradle and Android build tools for callback system implementation

- Upgrade Android Gradle Plugin from 8.0.0 to 8.4.0
- Upgrade Google Services plugin from 4.3.15 to 4.4.0
- Upgrade Android SDK from API 33 to API 34
- Upgrade Gradle wrapper from 8.13 to 8.14
- Upgrade Android Gradle wrapper from 8.0.2 to 8.6
- Update AndroidX library versions for API 34 compatibility
- Fix Jest environment configuration issue
- All tests passing (58/58) after upgrades

Resolves: Gradle upgrade requirements for callback system implementation

gradlew

@@ -114,7 +114,7 @@ case "$( uname )" in                #(
   NONSTOP* )        nonstop=true ;;
 esac
 
-CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+CLASSPATH="\\\"\\\""
 
 
 # Determine the Java command to use to start the JVM.
@@ -213,7 +213,7 @@ DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \
         -classpath "$CLASSPATH" \
-        org.gradle.wrapper.GradleWrapperMain \
+        -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
         "$@"
 
 # Stop when "xargs" is not available.