GitLab

Fuzz the hit-test data sent to HitTestManager and aggregate that in
HitTestAggregator. One problem the fuzzer revealed is fixed in
https://chromium-review.googlesource.com/c/chromium/src/+/957881.
Coverage report:
https://goto.google.com/riajiang-hit-test-fuzzer-report

Bug: 819435
Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel
Change-Id: I6029ffcaa0ccb696648d09da1e344aa2daa0eff6
Reviewed-on: https://chromium-review.googlesource.com/969927
Commit-Queue: Ria Jiang <riajiang@chromium.org>
Reviewed-by: Robert Kroeger <rjkroege@chromium.org>
Reviewed-by: Sadrul Chowdhury <sadrul@chromium.org>
Reviewed-by: Ken Rockot <rockot@chromium.org>
Reviewed-by: Ken Buchanan <kenrb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#546233}