In Settings, catch the intent from Telephony about SIM combination
warning and show a notification about it.
Bug: 132631355
Test: manual - have two cdma capable subscriptions active, make sure
the notification is sent, and tapping on it leads to the helper page.
Change-Id: Ifd0e13781e4afc3bfd82415b3e51fd10176d9f9d
Adding a notification in SimSelectNotification that will be triggered
when receiving a enable MMS request. Tapping on the notificaiton will
lead to the subscription setting page.
Bug: 130222866
Test: manual -- have a test app that sends the intent when mobile
data is turned off. And verify that the heads-up notificaiton is shown
and that it will lead to subscription setting page.
Change-Id: Ia80e8e5ab20adf78a31647a23cb2ba8dac690e41