Revert "PowerManager: Don't wake up device when charger is plugged/unplugged (1/2)"

This reverts commit 59a7f88c5aacfdbcffa71194d5f7bc5cc8ffd055.

Conflicts:
	core/java/android/provider/Settings.java

Change-Id: Id6b04288d53a2055d01589a72190ba9c5aae737f