Settings: Quiet hours: Bring back summaries

On languages with very long words e.g. German the new UI look awful.
Bring back summaries to make it look a bit better.

Change-Id: I2ac61e620a24731b65aaf3a962010d8d842c8daf
Settings: Disable slider shortcuts with custom lockscreen

These are not available with the custom lockscreen.

Change-Id: Ib67b97b597da0cf06d9d36b4fe7b40b55d0e2425
Signed-off-by: Roman Birg <roman@cyngn.com>
Settings: read keyguard package name from overlays

Change-Id: Ief4750c91aa22c2033d31aacfea4cfbe245d61a8
Signed-off-by: Roman Birg <roman@cyngn.com>

Conflicts:

	src/com/android/settings/cyanogenmod/LockscreenInterface.java