Use white switch thumb activated drawables, not holo blu light.
Follow up change 6e37571ac190c4fa69216a36f7f2467b2c3496d9
fb: update missing google UI changes for 4.4

thanks to kroz other things are now as well consistent to the new
google UI style

Change-Id: I604d29293b04bbcf279efd4d5bf2970ff8ee0c75