Forward port Quiet Hours settings

Change-Id: I57ad089a2b2f7d6ed3df773ca69ad67f7b8fe185
Forward port Quiet Hours settings

Change-Id: I57ad089a2b2f7d6ed3df773ca69ad67f7b8fe185
Merge branch 'jellybean' of github.com:ParanoidAndroid/android_packages_apps_Settings into jellybean-legacy
Merge remote-tracking branch 'upstream/jellybean-legacy' into jellybean-legacy