Merge "Fix google-explicit-constructor warnings." am: fafa6a6531 am: 77d7cb1d0a
am: 8d3b85a320

* commit '8d3b85a32005df441ae0afde7b9f924824f1446e':
  Fix google-explicit-constructor warnings.

Change-Id: I1eac3384574974067701031b952e9a59aac81ba7