am cc8efebe: (-s ours) resolved conflicts for merge of 61a2b205 to master

* commit 'cc8efebe6bf52e37fe078973989557801101a88b':
  Update emulator prebuilts to support EXT4 cache partitions.
tree: 858cf00b2ccf89ea80590f4baf4f6dbc2d65c0e2
  1. darwin-x86_64/
  2. linux-x86_64/
  3. windows/
  4. .gitignore
  5. README