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
Merge "Settings: Quiet hours: Bring back summaries" into cm-11.0
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_packages_apps_Settings into cm-11.0