Revert "Systemui: ignore bartransitions if we are not on highend gfx"

This reverts commit 8cee5e7df73efac25cb08d34bcab76770303bcb3.

Change-Id: Idcc944333139a84fd6215529591ca0b03a9b7e31

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/BarTransitions.java