Mms: Always notify adapter if dataset is modified.

* Fixes QuickMessagePopup crash

Change-Id: I98828be07495f252f6a26b711251c9ecd8a4206c
Mms: Remove the smsc pref by default

Can be enabled via config

Change-Id: I0fda7729d32375583143cb62133cdfe7f5b50f63
Mms: Use material delete icon

Change-Id: I1a72e84ab0128f4742fdea7e66b431fd74d4a880
Mms: Updated status bar notification icons

Change-Id: I374cb3dadf63fad3f503093afaaf9ba816d6dfc0