tree 1f5bbba71abff0381c3580d9dfaf0700ac64cd2c
parent 8eec5d9ee46c3b03b3b4595e46ff8a8eb6a80ef3
author Jeff Sharkey <jsharkey@android.com> 1560358878 -0600
committer Raman Tenneti <rtenneti@google.com> 1566252951 +0000

Wait until any background events are processed.

Some MediaProvider events (such as thumbnail invalidation) are
handled on a background thread.  To reduce flaky tests, wait until
all background events have been processed, which is more robust
than sleep.

Bug: 134879702
Test: atest --test-mapping packages/providers/MediaProvider
Change-Id: Ia032b19c1b0e5c0096c55bf3d46a5153525e89fa
(cherry picked from commit efad242f357151b252c45ef434782fca8da60264)