Fix a crash when scrolling while a SMS is delayed.

Change-Id: I73f2d5f0e44dd80955db58e29ce1712cbf4e0ebb
Mms: Remove white background on the timestamp

The current white background clashes with the gradient
used for the background. It also causes a very slight
overdraw which theoretically hurts performance a bit.

Change-Id: Ib51df2abdb5f3f262d2983dc07635c03d0c75430
Merge "Mms: Remove white background on the timestamp" into cm-11.0
Merge branch 'cm-11.0' of github.com:CyanogenMod/android_packages_apps_Mms into cm-11.0

Conflicts:
	res/layout/message_list_item_recv.xml
	res/layout/message_list_item_send.xml