fix: proprietory classes included into build

- update Android build files
- update dependency override commit SHA

Fixes: #903

Signed-off-by: TheOneWithTheBraid <the-one@with-the-braid.cf>

scripts/enable-android-google-services.patch

@@ -11,15 +11,12 @@ index ad9ffb87..37baafb1 100644
          targetSdkVersion 30
          versionCode flutterVersionCode.toInteger()
          versionName flutterVersionName
-@@ -82,11 +82,11 @@ flutter {
+@@ -78,8 +78,8 @@ flutter {
  
  dependencies {
      implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 -    //implementation 'com.google.firebase:firebase-messaging:19.0.1' // Workaround for https://github.com/microg/android_packages_apps_GmsCore/issues/313#issuecomment-617651698
 +    implementation 'com.google.firebase:firebase-messaging:19.0.1' // Workaround for https://github.com/microg/android_packages_apps_GmsCore/issues/313#issuecomment-617651698
-     testImplementation 'junit:junit:4.12'
-     androidTestImplementation 'androidx.test:runner:1.1.1'
-     androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
      implementation 'androidx.multidex:multidex:2.0.1'
  }