Merge "Fix google-explicit-constructor warnings." am: e1d5c25 am: e641a2f
am: 63eca85

* commit '63eca8530832cc0cc2e1d13d6f5d242240ef071a':
  Fix google-explicit-constructor warnings.

Change-Id: Idc35b9dc68d35401dd63b923e0abbb25ff00fc32