Revert "Fix vertical gesture touch calculations"

This reverts commit 95cf3a568edfb58314f9579b72f2c5d527e68db9.
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
Halo: Fix icon position in tablet status bar

Change-Id: I821873708aab2869bd175bbf990d340832ddb0ef