PowerWidget: Soundbutton bugfix

PatchSet1: Initial commit

PatchSet2: fix whitespace errors

PatchSet3: DERB!!!!!

PatchSet4: Buttons are working correctly now.

PatchSet5: whitspace errors --> I HATE VIM; need to set up Eclipse

Change-Id: Ic0d9714c82734e9afac843995bd16d09736f85cf

Conflicts:
	packages/SystemUI/src/com/android/systemui/quicksettings/RingerModeTile.java
	packages/SystemUI/src/com/android/systemui/statusbar/powerwidget/SoundButton.java