Merge "Fix google-explicit-constructor warnings." am: f966019 am: e5100e6
am: 2a4a02a

* commit '2a4a02a870bcfb5ecd3c5f9e7077ffe1327623b0':
  Fix google-explicit-constructor warnings.

Change-Id: I4f758494c81043243f84d66c67a9037bd6637691