Screenshot : Pass current user

Needed to complete the snapshot procedure

Change-Id: I40f63e261e213136cd739c06da6f005173427ae0
Fixed aapt warnings

Change-Id: I35389697266b3ec59a38b4142a8983d0a8cc31ac
PowerWidget: fix airplane mode toggle

Settings.System -> Settings.Global

Change-Id: Ic1a874ec694e76153d0838fdb81650fe384bae59