ContactList and RecentChats background colors moved to colors.xml

app/src/main/res/layout/contact_list_fragment.xml

@@ -24,7 +24,7 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:drawSelectorOnTop="true"
-        android:background="@color/grey_400"
+        android:background="@color/contact_list_background"
         android:divider="@null"
         android:dividerHeight="0dp"
         />

app/src/main/res/layout/recent_chats.xml

@@ -2,7 +2,7 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical" android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@color/grey_300"
+    android:background="@color/recent_chats_background"
     >
 
     <include layout="@layout/toolbar_default" />

app/src/main/res/values/colors.xml

@@ -83,4 +83,7 @@
     <color name="color_primary_light">@color/grey_200</color>
 
     <color name="account_disabled">@color/black_dividers</color>
+
+    <color name="contact_list_background">@color/grey_400</color>
+    <color name="recent_chats_background">@color/grey_300</color>
 </resources>
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