Merge change 9605 into donut

* changes:
  use the max image sizes from the target files zip
tree: e366973c8e0dbb2d8cf07f7fde128080e362cb6c
  1. core/
  2. libs/
  3. target/
  4. tools/
  5. buildspec.mk.default
  6. cleanspec.mk
  7. envsetup.sh