Merge change 21000 into donut

* changes:
  Update the platform-version-codename
tree: c705d2c53d159125ca83faa97dae21535df9e073
  1. core/
  2. libs/
  3. target/
  4. tools/
  5. buildspec.mk.default
  6. cleanspec.mk
  7. envsetup.sh