Merge "Fix google-explicit-constructor warnings." am: 7bdd6a8b5a
am: 427d8d840f

* commit '427d8d840f6ec5ce5767b2ee521e4ac5b7ebd619':
  Fix google-explicit-constructor warnings.

Change-Id: I26dc45aca83f991aa7993f6d4233e0439dd44a22