Bug 1298783 - Pre: add notificationUri to highlights query r=Grisha

This ensures that a DB modification will trigger a refresh of any clients
using getHighlights().

MozReview-Commit-ID: Cauc89ryDHr

--HG--
extra : rebase_source : e70401ba51ea406ab339f02abec73ec9bf1b3332

mobile/android/base/java/org/mozilla/gecko/db/BrowserProvider.java

@@ -1243,7 +1243,12 @@ public class BrowserProvider extends SharedBrowserDatabaseProvider {
                 "UNION ALL " + historyQuery + ") " +
                 "GROUP BY " + Combined.URL + ";";
 
-        return db.rawQuery(query, null);
+        final Cursor cursor = db.rawQuery(query, null);
+
+        cursor.setNotificationUri(getContext().getContentResolver(),
+                BrowserContract.AUTHORITY_URI);
+
+        return cursor;
     }
 
     @Override