Force dark theme background in video player

Author: MHShetty

app/src/main/res/layout/video_player.xml

@@ -2,6 +2,7 @@
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="@color/unselected_option_bg"
     xmlns:tools="http://schemas.android.com/tools"
     tools:context=".ui.activities.VideoPlayer">