Some improvements on NavigationBar customization…

…based on new PS9 of #3151

Change-Id: Ia95b3987a5853a72c652e95bb0990861466b9d88
Ooops, where are these HEAD markers from?

Change-Id: If8c9f114150ecc8f92fd60ddc76c15aae4a11303
[1/3] Base: Remove Active display

Change-Id: Ia305a67eed1a57c61598af803c688389f9f30e45
[1/2] Base: Lockscreen Notifications

Change-Id: I342b9fa6266c4c64f04121a8a2938de6532082b4
Fix SystemUI FCs when Lockscreen Notifications are disabled

Change-Id: I63c471fe83721f2f86579a566dc66d4a07588495
Partially Revert "Fix SystemUI FCs when Lockscreen Notifications are disabled"

This reverts commit c4a55395e8ea0071e3bec674b39cf64b757574fc.

Change-Id: I52260cc0726b9daf821b7e9fab064ac85d4d2ce0
Merge branch 'head' into kitkat