Tweak InCallUI colors.

Change-Id: I767dcbf1ce97ca549fb62c8f0ebaf0d631b9bda2
diff --git a/InCallUI/res/values/colors.xml b/InCallUI/res/values/colors.xml
index fd60bbb..d8e7891 100644
--- a/InCallUI/res/values/colors.xml
+++ b/InCallUI/res/values/colors.xml
@@ -18,7 +18,7 @@
 <resources>
 
     <!-- In-call UI background color. -->
-    <color name="incall_background_color">#00afcc</color>
+    <color name="incall_background_color">#0fc6dc</color>
 
     <!-- green -->
     <color name="incall_callTypeSip">#99CE3F</color>