Rename Profiles to System profiles

L includes 'Users & Profiles', rename ours to distinguish features
and prevent confusion.

Change-Id: I5a148dcf5fea1b24448d254105b0bd6904a4ddd8

(cherry picked from commit 1ac05e6e2d2987d889f0790e208bb752440f4428)
Fix HW brightness miss logic

Restore default backlight when hw are anebled

(cherry picked from commit 12e1aa4b66fa4ad71cd0f68ce93dee243f1db26a)