Merge "Expose functions used to add entries to the zip file." into nyc-dev
am: 6108f5d400

* commit '6108f5d4004d2a3397c22d22025b8e0eb79b8467':
  Expose functions used to add entries to the zip file.

Change-Id: I6c1ce87ce8eb9edf32df7c3f0e1926acd1bc0e00