disable RTL support for now to fix AppIntro bug

https://github.com/apl-devs/AppIntro/issues/547w

Author: n8fr8

src/main/AndroidManifest.xml

@@ -42,7 +42,8 @@
         android:label="@string/app_name"
         android:largeHeap="true"
         android:theme="@style/AppTheme"
-        tools:replace="android:allowBackup"
+        android:supportsRtl="false"
+        tools:replace="android:allowBackup,android:supportsRtl"
         tools:ignore="GoogleAppIndexingWarning">
         <activity
             android:name=".ListActivity"