[1/2] base: enable advanced reboot by default only if developer options are enabled

needs http://gerrit.nameless-rom.org/#/c/360/

Change-Id: Ib077fb6237ff6da4d96c7af8bddbf34bf2e5cb44
frameworks: Smooth background gradient

Credit to UBER for the images

Change-Id: I3655e9917610348100fa6cb5cede66a63ca82538