With this change, the description field is properly populated by the %m
flag and set in ReviewDB and NoteDB, and is set in the ChangeJSON
received in a GetChange call. The test for pushing a change with a
message was also updated to check for the description field being set in
RevisionInfo.
To be included in descendant changes:
- Handling cases where PSUtil.insert is called that aren't change
creations or updates (cherrypick, etc)
- Implementation of an API endpoint for setting/deleting the value
- Docs
Feature: Issue 4544
Change-Id: I1c4d817d1d5e263b0cd42bf9ea874808aac00582