[SQUASHED] [2/2] Settings: Status bar Network traffic

This codes are not mine an here i'm giving the proper credits

Commits inside and they authors:
@tectas: omnirom/android_packages_apps_OmniGears@2dc8674
@Haus1: omnirom/android_packages_apps_OmniGears@cac09ff
@Haus1: omnirom/android_packages_apps_OmniGears@391eadd
@cristianomatos: 2f817be

@alviteri: Added SeekBar from KK for autohide and Switchialized
 Settings: Network traffic supercharged (2/2)

Bring back AICP kk traffic
Add back SeekBarPreferenceCham for it