Settings: Added choice of 45 seconds for screen timeout, lock screen and dream.

Change-Id: I58cb14776fe9d447b79faf810d7f6142bc058341
Merge "Settings: Added choice of 45 seconds for screen timeout, lock screen and dream." into android-4.4
Merge branch 'android-4.4' of https://github.com/omnirom/android_packages_apps_Settings into android-4.4