tree 1fa791047a97b1bec0326c4c54150b86ea343ef1
parent 1198fc4e7101db6cc7206594d489bb92b3d954ac
author Alex Salo <asalo@google.com> 1556745526 -0700
committer Alex Salo <asalo@google.com> 1557787245 +0000

Prevent extra work on the same timestamp

AttentionDetector gets called a lot, and there is no reason to do
any work, unless it is called with a new timestamp.

Bug: 111939367
Test: verified by doing FSOP + atest AttentionDetectorTest
Change-Id: If427bd3358e0ea35279fb5d235c2fd137df036ac