* stable-2.16:
Support for setting max/min value for "Query Limit" and "Batch Changes"
Mark DeletePrivate input as @Nullable
ListProjects: print projects list using secondary index
ListProjects: re-implement using secondary index
Fix replacing ${project-base-name} in gr-repo
Change-Id: Id9123dcfbd123a529612fccaecd64ee0c196b216