HALO bugfixes

1. some icons were overblown
2. tasking meant having your thumb on the speechbubbles

Change-Id: I04637a5ae96c3d9fa30188a320e13989c48f7f0c

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
Merge remote-tracking branch 'upstream/jb2' into jb2