Suspend Actions & Wakelock Blocker (2/3)

PS2: Move ScreenStateToggles.java and WakeLockBlocker.java to "fragments" folder
PS3: Clean white-spaces
PS4+PS5: More clean
PS6+PS7: Rebased

Change-Id: I47325efe6f2989df8167fb7060943a3d582d1d8c