tree 8de0a77c63ecec3a4768b90c7f70b26e7fdc8d86
parent 7d00686503d3996c27ad3835c75e808105485c11
author Marcin Czech <maczech@gmail.com> 1569407381 +0200
committer Marcin Czech <maczech@gmail.com> 1569408874 +0200

Convert ReferenceUpdateEvent class to AutoValue

ReferenceUpdateEvent is a value class, in Gerrit value classes are
implemented with AutoValue. Using AutoValue reduce boilerplate code
and prevents error-prone code.

Bug: Issue 11573
Change-Id: I34584661db3bf70fcb1fc177a57dab6037f425ac