DO NOT MERGE - Merge Android 10 into master

Bug: 139893257
Change-Id: I7ac6c92e1b64ccf5860de04b17a448046e1af8fe
tree: 2b5837b769528abd1ae14740282bd1260cdfa55f
  1. bootctrl/
  2. libhwcomposer/
  3. Android.bp
  4. OWNERS