remove old
Camera: update voiceshutter drawables

Change-Id: Ia8f1a619f2342b0b9245fcbcf8cf3d142db33a1f
Signed-off-by: Jonathan Steadman <xxwhitehawk@gmail.com>

Conflicts:
	res/drawable-hdpi/ic_switch_voiceshutter.png
	res/drawable-mdpi/ic_switch_voiceshutter.png
	res/drawable-xhdpi/ic_switch_voiceshutter.png