Add true support for vector drawables (#814)

Author: SUPERCILEX

app/build.gradle

@@ -11,6 +11,8 @@ android {
         targetSdkVersion targetSdk
         versionCode 1
         versionName "1.0"
+
+        vectorDrawables.useSupportLibrary = true
     }
 
     buildTypes {

app/src/main/AndroidManifest.xml

@@ -12,7 +12,7 @@
         android:label="@string/app_name"
         android:allowBackup="true"
         android:fullBackupContent="true"
-        android:icon="@mipmap/ic_launcher"
+        android:icon="@drawable/ic_launcher"
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
         tools:ignore="GoogleAppIndexingWarning">

app/src/main/java/com/firebase/uidemo/auth/AuthUiActivity.java

@@ -306,7 +306,7 @@ private int getSelectedLogo() {
         if (mFirebaseLogo.isChecked()) {
             return R.drawable.firebase_auth_120dp;
         } else if (mGoogleLogo.isChecked()) {
-            return R.drawable.logo_googleg_color_144dp;
+            return R.drawable.ic_googleg_color_144dp;
         }
         return AuthUI.NO_LOGO;
     }