[2/2] OmniControl: Add custom fingerprint icon support

OmniGears: custom fingerprint icon [2/2]
* Create a new entry in the dashbord
* Also move the haptic feedback toggle

[micky387]
* Remove Fp vibration toggle

[maxwen] new API to copy the image into SystemUI settings
To prevent any grant uri issues do it like wallpaper and
copy the image to a file SystemUI can read without issues

Change-Id: I77b2962c5f525d0828193b5871f197bed74becc6
10 files changed