SystemUI: filter certain toggles

PS2: Also add wifi tether filter based on telephony

Change-Id: I8523ebc78d2d6f0ffdb44ad917cfabd94c9806b6
Signed-off-by: Roman Birg <romanbirg@gmail.com>

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/toggles/ToggleManager.java