Merge Android Pie into master

Bug: 112104996
Change-Id: I892e3b59e18a7ccdaa96d47f4180db8355a89d1f
tree: 27ef4a3c6afc7a1dbcfc3f071afa84573883ed43
  1. core/
  2. qr_scanner/
  3. Android.mk
  4. MODULE_LICENSE_APACHE2
  5. NOTICE
  6. README.version