gerrit: Account for new review category
gerrit: Account for new review category

Addition of Trybot-Verified reviewer causes gerrit command line
utility throw multiple warnings. Let's just accept this reviewer type
without displaying its status in the command line utility output for
now.

BUG=none
TEST=manual
  . running 'gerrit mine' is not throwing any warnings anymore

Change-Id: I30b976f715b3c78597bfc60706b70eb48f65cfa8
Signed-off-by: Vadim Bendebury <5515d6d2d0829cbe0dd0dcf2094aaded06d58514@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/176542
Reviewed-by: Mike Frysinger <8f3f75c74bd5184edcfa6534cab3c13a00a2f794@chromium.org>

chadversary/chromiumos.chromite,bpsinc-native/src_third_party_chromite,bpsinc-native/src_third_party_chromite,chadversary/chromiumos.chromite,bpsinc-native/src_third_party_chromite