Show badge icon if any participant in the conversation is work contact

Precompute is_enterprise and stored the value in conversation table.
Include is_enterprise in the ConversationList view.

Change-Id: I2e31bd61c08d25a296aaa3e99cb24631ae2e7976

src/com/android/messaging/ui/conversationlist/ConversationListItemView.java

@@ -186,8 +186,7 @@ public class ConversationListItemView extends FrameLayout implements OnClickList
     }
 
     private void setWorkProfileIcon() {
-        mWorkProfileIconView.setVisibility(
-                mData.isParticipantEnterpriseContact() ? View.VISIBLE : View.GONE);
+        mWorkProfileIconView.setVisibility(mData.isEnterprise() ? View.VISIBLE : View.GONE);
     }
 
     private void setConversationName() {