Add warning to opening URLs from messages

Change-Id: Ifa9c01698120639b05d500276a99f2294049479e
Mms : Import/Export sms

Change-Id: Iae35b59835f0cf1f8c3162c72e33eb5c353b913c
Fix FC when multi-selecting messages from SIM card

Change-Id: Iee134608a8256c318c0a32382c2473e4a86af4f2
Mms: Add missing mdpi/hdpi drawables

* Fix crash on builds that don't include xhdpi drawables
* Remove one unused xhdpi drawable while at it

Change-Id: Id9de7a393a704ab18484991d330e0a6450d9d865