i18n: add RTL support

Change-Id: I725a98f5a2c7759cb1d04ba0e7b51178fc1118b2
diff --git a/ring-android/app/src/main/res/layout/item_contact.xml b/ring-android/app/src/main/res/layout/item_contact.xml
index 7d8b9b4..16ccf21 100644
--- a/ring-android/app/src/main/res/layout/item_contact.xml
+++ b/ring-android/app/src/main/res/layout/item_contact.xml
@@ -33,27 +33,27 @@
         android:layout_marginLeft="16dp"
         android:layout_marginRight="16dp"
         android:contentDescription="@string/contact_picture_description"
-        android:scaleType="centerCrop" />
+        android:scaleType="centerCrop"
+        android:layout_alignParentStart="true" />
 
     <TextView
         android:id="@+id/display_name"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_centerVertical="true"
-        android:layout_toRightOf="@+id/photo"
         android:gravity="center_vertical"
         android:textColor="@color/text_color_primary"
         android:textIsSelectable="false"
         android:textSize="16sp"
-        android:layout_toLeftOf="@+id/quick_call"
-        android:layout_toStartOf="@+id/quick_call" />
+        android:layout_toEndOf="@+id/photo"
+        android:layout_toStartOf="@+id/quick_call"
+        android:textAlignment="viewStart" />
 
     <ImageButton
         android:id="@+id/quick_call"
         android:layout_width="wrap_content"
         android:layout_height="fill_parent"
         android:layout_alignParentEnd="true"
-        android:layout_alignParentRight="true"
         android:layout_centerVertical="true"
         android:background="@null"
         android:contentDescription="@string/contact_quick_call_description"