Revert "ClassZeroActivity: Queue messages instead of displaying them all at once (take 2)"

This reverts commit 4eb44c148309905e497f81ee7130af474d98c388.
Merge tag 'android-4.4.2_r1' into kk4.4

Android 4.4.2 Release 1

Conflicts:
	src/com/android/mms/ui/ClassZeroActivity.java