ClassZeroActivity: Holo it

Change-Id: I098866d61145863c561c3bdc3f25d38254906f1d
ClassZeroActivity: Queue messages instead of displaying them all at once

10 out of 9 doctors recommend not piling up infinite top activities

Change-Id: Id7a2faa6997036507acad38f43fe17bf1f6a42cd
Merge remote-tracking branch 'cm/cm-11.0' into wszf