SystemUI: Force pulse light layout direction to ltr

Fixes that edge light views are interchanging the sides in RTL.

Change-Id: I1b79f87f5edc777762ac7c984f88644a3235de8b

packages/SystemUI/res/layout/pulse_light_view.xml

@@ -19,6 +19,7 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:layoutDirection="ltr"
     android:background="@android:color/transparent">
 
     <ImageView