Add partner-customizable immersive mode

Bug: 134587075
Test: In sample overlay app
Change-Id: Ibea544a666e15b41148f5d4f93d6d0e1030b7c8c
5 files changed
tree: 135b6851cca7371bdf71600af5ebd3688c175d73
  1. OWNERS
  2. PREUPLOAD.cfg
  3. library/