Add correctness checks to GrThreadSafeViewCache tests

Bug: 1108408
Change-Id: I8e815003808624fcd767e5e9a579d3f17e7ddb46
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/319781
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
1 file changed