Improve RTL support for Immersive mode

- use start/end instead of left/ritgh padding
- related to bug #11537133 Hideycling looks broken (KOT36), missing left padding

Change-Id: I0d8e1de560dbf142a3c016ab6d6784361d88d32a
diff --git a/core/res/res/layout/immersive_mode_cling.xml b/core/res/res/layout/immersive_mode_cling.xml
index f97225e..c0cd93d 100644
--- a/core/res/res/layout/immersive_mode_cling.xml
+++ b/core/res/res/layout/immersive_mode_cling.xml
@@ -37,8 +37,8 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:background="@drawable/cling_bg"
-            android:paddingLeft="14dp"
-            android:paddingRight="14dp"
+            android:paddingStart="14dp"
+            android:paddingEnd="14dp"
             android:paddingTop="24dp"
             android:paddingBottom="24dp">
             <TextView