Revert "AudioService: fix safe volume enforced even when disabled"

This reverts commit 8dd3e380b8b4a276bbea149f7717a0e27f7413ba.
Revert "Use old see through when blur radius == 0"

This reverts commit 6994b9f7000b0bf11402fd5cda9447f912137b6d.
Revert "Lockscreen Blur: fix for coverflows"

This reverts commit 879776ca235e5195c75d7db57caef193dd4024e1.
Revert "Partly fix lockscreen blur rotation issue"

This reverts commit 2dd7ea6b729d9da65090ec76005cc99aaec37b66.

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