Fix RTL pin pad direction

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

Bug: 173153000
Test: manual (on q.car gcar emulator)
Change-Id: I52f3bb2dcd184a88321cdda00250a1e3a3bcdad7
(cherry picked from commit 4b9bb08ec853ad08011b75d9327ed1c6167011f3)
diff --git a/res/layout/choose_lock_pin.xml b/res/layout/choose_lock_pin.xml
index 954bf8a..421fbbf 100644
--- a/res/layout/choose_lock_pin.xml
+++ b/res/layout/choose_lock_pin.xml
@@ -40,7 +40,8 @@
                 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 2414545..a419953 100644
--- a/res/layout/confirm_lock_pin.xml
+++ b/res/layout/confirm_lock_pin.xml
@@ -41,7 +41,8 @@
                 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 -->