am 93ca4fc6: use fs_type "emmc" instead of "block" for consistency (do not merge)

Merge commit '93ca4fc6943a3ebf758c5db98531531b8fe92c98' into gingerbread-plus-aosp

* commit '93ca4fc6943a3ebf758c5db98531531b8fe92c98':
  use fs_type "emmc" instead of "block" for consistency (do not merge)