Frameworks: Race conditions can be funny

especially on slower phones. Whatever this commit
changes the disable logic for PIE on lockscreen.
With this correction SlimPIE is now unbreakable
lmao

cheers

Change-Id: I442f771b57f1cbeb661418dea17ca0f4362428c5

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