Enable FP reporting for VR/XR policy violations.

This queues a report through the Reporting API whenever VR or XR device
access are requested in a frame in which the 'vr' feature is not allowed
according to feature policy.

Bug: 867471
Cq-Include-Trybots: luci.chromium.try:win_optional_gpu_tests_rel
Change-Id: I5e0256c799f986e30b1f3746ef0fce1b6d9f93eb
Reviewed-on: https://chromium-review.googlesource.com/1195438
Reviewed-by: Brandon Jones <bajones@chromium.org>
Commit-Queue: Ian Clelland <iclelland@chromium.org>
Cr-Commit-Position: refs/heads/master@{#590451}
6 files changed