' Smart Control

Adds the ability to Play/Pause video by waving above the
screen using the proximity sensor.

This commits also enables the settings activity in
the Gallery app.

Thanks to slimROMS and the author:mnm9994u'

Conflicts:

	res/menu/albumset.xml
	res/values/strings.xml
	src/com/android/gallery3d/app/AlbumSetPage.java
	src/com/android/gallery3d/app/MoviePlayer.java