tree b102ffd9f0f36c1376effcae64a1fef1c276552a
parent c2090638d476c152710695ffc0daea6c485d1cc2
author mattm <mattm@google.com> 1603129003 -0700
committer Copybara-Service <copybara-worker@google.com> 1603129039 -0700

Add KeyUpdateReason enum to KeyUpdate call & OnKeyUpdate callbacks.

PiperOrigin-RevId: 337886250
Change-Id: I1a8ebf0212f8c3b9a80d47bc93c243f6cd2c128c