Merge QP1A.190228.005

Change-Id: Id6ec15e93c0eabbefd48919a170203397550c245
tree: 76212e7901a47e59cbac4e61149d00616adad86f
  1. core/
  2. qr_scanner/
  3. MODULE_LICENSE_APACHE2
  4. NOTICE
  5. OWNERS
  6. README.version