SystemUI: improve persistent settings icon toggle [1/2]

* if u disabled settings icon visibilty, it would have disapperared from both qqs and qs panel
  add a option for user to choose expanded panel or always
* using qs_footer_show_settings visbility option and extending it
* revert c57ee6334d9830193a6f80362658374048bbaadc as some people believe the padding is a bug xD
* using createfooteranimator logic from here https://github.com/DerpLab/platform_frameworks_base/commit/d0c8d309165cfc60ac413cd9d782fe18329d38d7

Change-Id: I31b78eb3a34ffebe083710ac234d3efb0b9ddb97
Co-authored-by: Ido Ben-Hur <idoybh2@gmail.com>
1 file changed