
This changed considered all instances of "ReviewDb" in .java files. Many of the comments changed, but there are exceptions: * Comments referencing old ReviewDb behavior in order to explain why things work a certain way in NoteDb. * Some TODO comments suggesting that we do something different after removing ReviewDb. Eliminating these would require actual code changes. Change-Id: I18c0ac4038ae98aa3b9eabe4e68e23b6516ea3e8