Include header for DISALLOW_COPY_AND_ASSIGN am: 3a84e4d
am: 55e4007

* commit '55e40078eaa8adb25fc7c6af44b5033eca2645c9':
  Include header for DISALLOW_COPY_AND_ASSIGN

Change-Id: Ia2cb9e96bed8e2da3b84556eed44513b29b21528