Call to equals() comparing different types (FindBugs)

Call to HashSet<PrintServiceInfo>.equals(ArrayList<PrintServiceInfo>).
The result of this comparison will always be false.

Change-Id: Ic8cc6eab99cea4c7b3841faf6bc84c246273e8d0
Revert "LED: Simplify logic"

This reverts commit 8413f8c55ab9e1d4892c4296483e1557984b6116.
Revert "Merge "Notification LED Control (1/2)." into kitkat"

This reverts commit 0cf48668c66713af65912d91e870b2a0ba68e311.

Conflicts:
	core/res/res/values/pa_symbols.xml