Android: Remove "fitSystemWindows" flag from MainActivity layout

Source/Android/app/src/main/res/layout/activity_main.xml

@@ -3,8 +3,7 @@
                                                  xmlns:app="http://schemas.android.com/apk/res-auto"
                                                  android:id="@+id/coordinator_main"
                                                  android:layout_width="match_parent"
-                                                 android:layout_height="match_parent"
-                                                 android:fitsSystemWindows="true">
+                                                 android:layout_height="match_parent">
 
     <android.support.design.widget.AppBarLayout
         android:id="@+id/appbar"