android: first publishable implementation of Ring on Android

Change-Id: I6d65993a0bbed0ac680d6fe5980aae0fb931116e
diff --git a/ring-android/app/src/main/res/layout/frag_imessaging.xml b/ring-android/app/src/main/res/layout/frag_imessaging.xml
index e975a75..cc569d0 100644
--- a/ring-android/app/src/main/res/layout/frag_imessaging.xml
+++ b/ring-android/app/src/main/res/layout/frag_imessaging.xml
@@ -10,7 +10,7 @@
         android:layout_above="@+id/form"
         android:stackFromBottom="true"
         android:transcriptMode="alwaysScroll"
-        android:background="@color/sfl_dark_blue"
+        android:background="@color/color_primary_dark"
         android:layout_alignParentTop="true" >
     </ListView>