chore(admob): replace gma_ad_services_config in Manifest

Author: thatfiredev

admob/app/src/main/AndroidManifest.xml

@@ -1,12 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
 
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
+
+        // workaround for https://github.com/firebase/firebase-cpp-sdk/issues/1545
+        <property
+            android:name="android.adservices.AD_SERVICES_CONFIG"
+            android:resource="@xml/gma_ad_services_config"
+            tools:replace="android:resource" />
+
         <activity android:name="com.google.firebase.example.admob.MainActivity"
             android:exported="true">
             <intent-filter>