Make on/off switch more visible
Make on/off switch more visible

Bug:7555181, 7536599

Changed the dimming effect of an alarm item in alarm settings. When the alarm is off
the alpha if the view is reduced except for the on/off switch.
Disable on/off switch when in CAB mode

Change-Id: I89173ca5124b12fe04a92783d2cc870cfda481c8

OrBin/SynClock-Android,dseuss/deskclock,dseuss/deskclock