DisplayPowerController: reorder conditions for keyguard blur

Check the value of the blur setting LAST. If either of the two other conditions are false, then we save having to do a settings get.

Change-Id: I8cb2862bdf9349ec18a1486d374db543f347d0c5
Revert "Memory leak in IInputMethodSessionWrapper executeMessage"

This reverts commit 260c11fd1641753483958dbdbba6ecec16fa231d.