Revert "Fix lock screen blur and notifications"

This reverts commit 888f3b15fa912e84a24260c9df91e5e93e4fca23.

Conflicts:
	packages/Keyguard/src/com/android/keyguard/KeyguardViewManager.java

	modified:   packages/Keyguard/src/com/android/keyguard/KeyguardViewManager.java