Set the background of linearlayout to be transparent

Change-Id: Iffe33b61ec8d5caca6007c39be02bdaa2f1cb028
diff --git a/res/layout/conversation_list_item_view.xml b/res/layout/conversation_list_item_view.xml
index 10fdcd5..636616b 100644
--- a/res/layout/conversation_list_item_view.xml
+++ b/res/layout/conversation_list_item_view.xml
@@ -121,7 +121,8 @@
                     <LinearLayout
                             android:layout_width="0dp"
                             android:layout_height="wrap_content"
-                            android:layout_weight="1">
+                            android:layout_weight="1"
+                            android:background="@android:color/transparent">
                         <ImageView
                             android:id="@+id/conversation_notification_bell"
                             style="@style/ConversationListNotificationBellPaddingStyle"
@@ -147,6 +148,7 @@
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:layout_gravity="right"
+                            android:background="@android:color/transparent"
                             android:scaleType="center"
                             android:src="@drawable/ic_work_profile"
                             android:visibility="gone"/>