Fix RTL pin pad direction

The numeric pin pad should not have mirrored rows in RTL languages.

Bug: 173153000
Test: manual
Change-Id: I52f3bb2dcd184a88321cdda00250a1e3a3bcdad7
diff --git a/res/layout/choose_lock_pin.xml b/res/layout/choose_lock_pin.xml
index 643d0a6..615c1d8 100644
--- a/res/layout/choose_lock_pin.xml
+++ b/res/layout/choose_lock_pin.xml
@@ -38,7 +38,8 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center"
-                android:columnCount="3"/>
+                android:columnCount="3"
+                android:layoutDirection="ltr"/>
         </FrameLayout>
 
         <!-- End side: pin entry field and messages -->
diff --git a/res/layout/confirm_lock_pin.xml b/res/layout/confirm_lock_pin.xml
index 717d9d0..db7d948 100644
--- a/res/layout/confirm_lock_pin.xml
+++ b/res/layout/confirm_lock_pin.xml
@@ -39,7 +39,8 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center"
-                android:columnCount="3"/>
+                android:columnCount="3"
+                android:layoutDirection="ltr"/>
         </FrameLayout>
 
         <!-- End side: pin entry field and messages -->