Adding data to the pending intent for notification action. This is now needed

because Wear allows users to perform action on each conversation and therefore
the pending intent can't be shared.

Bug 15344221

Change-Id: Ib6d3f17ba64c1a8a14ab9abe56b2d8168c7b9558

AndroidManifest.xml

@@ -727,6 +727,7 @@
                 <action android:name="com.android.mail.action.notification.REPLY" />
                 <action android:name="com.android.mail.action.notification.REPLY_ALL" />
                 <action android:name="com.android.mail.action.notification.FORWARD" />
+                <data android:scheme="content" />
             </intent-filter>
         </service>
         <service android:name="com.android.mail.MailLogService">