Change draw selector to background

res/layout/conversation_fragment.xml

@@ -10,7 +10,7 @@
               android:layout_width="fill_parent"
               android:layout_height="0dp"
               android:layout_weight="1.0"
-              android:drawSelectorOnTop="true"
+              android:drawSelectorOnTop="false"
               android:transcriptMode="normal"
               android:scrollbarAlwaysDrawVerticalTrack="false"
               android:scrollbarStyle="insideOverlay"