Merge "Create WebViewUpdateServiceImpl to move implementation there." into nyc-dev
am: 1d16d77

* commit '1d16d773b0d2d12301bda68d15adc6953ce68710':
  Create WebViewUpdateServiceImpl to move implementation there.

Change-Id: Id9940a6b7cbcf4481eb4ec6f52387fd1d470b8a7