[2/2] Settings: added time since unplug filter for wakelocks

Change-Id: I2944bb1b5d3e1b154103c834410b143c52164b8e
Merge branch 'android-4.4' of https://github.com/omnirom/android_packages_apps_Settings into android-4.4
Merge branch 'android-4.4' of https://github.com/Omega-ROM/android_packages_apps_Settings into android-4.4