Merge remote-tracking branch 'aosp/upstream-master' into mymerge

Followed the following steps:

  # In repo client
  cd external/selinux
  repo sync .
  repo start mymerge .
  git merge aosp/upstream-master --no-ff # resolve any conflicts
  repo upload .

Test: compiles/boots no problems.
Change-Id: I4cd9f73fbbb818ef7fa07ff8dd183f8a7e892345