Many fixes

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

@@ -31,6 +31,12 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content" />
 
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginVertical="@dimen/default_margin"
+        android:text="@string/screenBrightGoogleComment" />
+
     <Button
         android:layout_marginTop="@dimen/default_margin"
         android:id="@+id/bApplyBrightness"