Merge "Fix google-explicit-constructor warnings." am: a4cbd6b13c am: 64f2136615
am: 6c28df3f4b

* commit '6c28df3f4b446b5fe3c335723ee3f8fd1c07ce18':
  Fix google-explicit-constructor warnings.

Change-Id: I64dbf5082ff5e08e56a4c8ee0571f3b921f9e1e7