Fix quoting when sending Gerrit messages to developers.
Fix quoting when sending Gerrit messages to developers.

BUG=None
TEST=Unittests in patch.  Saw quotes in the correct places.

Change-Id: I938ae0a520fd74e0cf0e5709db19b185b30f9c7d
Reviewed-on: http://gerrit.chromium.org/gerrit/8524
Tested-by: Chris Sosa <959d3d631fb6f17f1b07f751372041a1edb210d1@chromium.org>
Reviewed-by: Don Garrett <546ec366615570e68497e3c5df9092106a9808f4@chromium.org>

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