Fix gerrit query command to respect blocking code review/verify values.
Fix gerrit query command to respect blocking code review/verify values.

BUG=chromium-os:19885
TEST=Ran with current commit queue (saw my commit) and ran locally after -2'ing my
commit but having another +2.

Change-Id: I0df03d78b7d0c455d58d63a03fab93d6f676f934
Reviewed-on: http://gerrit.chromium.org/gerrit/7012
Tested-by: Chris Sosa <959d3d631fb6f17f1b07f751372041a1edb210d1@chromium.org>
Reviewed-by: Don Garrett <546ec366615570e68497e3c5df9092106a9808f4@chromium.org>

chadversary/chromiumos.chromite,bpsinc-native/src_third_party_chromite,coreos/chromite,zhang0137/chromite,zhang0137/chromite,chadversary/chromiumos.chromite,coreos/chromite,bpsinc-native/src_third_party_chromite,zhang0137/chromite,coreos/chromite,bpsinc-native/src_third_party_chromite