Settings: statusbar reflect am/pm based on the global user settings 12h/24h format (2/2)

for statusbar.

As well fetch the correct color from systemUI

Change-Id: I27de699ff61c0c7b67aa9a8b8b44cc858dbb83e7
Merge branch 'cr-4.4' of https://github.com/cristianomatos/android_packages_apps_Settings into cm-11.0