When building a reverse lookup table, it helps to build it as a reverse table and not a forward table. Additionally, trim users from any group that they don't belong in. Change-Id: I50338a6877956d9dc0b2b15dba679882ae4b8b66
When building a reverse lookup table, it helps to build it as a reverse table and not a forward table. Additionally, trim users from any group that they don't belong in. Change-Id: I50338a6877956d9dc0b2b15dba679882ae4b8b66