GitLab

This rolls up to sha 40ef02d00e6e4209a8c48d59f56952ad7654731c

Main changes are:
- set_storage_access testdriver API
- hide_test_state member in testharness

Change-Id: I98cc4e56379e7d299365dd90684350cf2236c99c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2320412
Commit-Queue: Stephen McGruer <smcgruer@chromium.org>
Auto-Submit: Luke Z <lpz@chromium.org>
Reviewed-by: Stephen McGruer <smcgruer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#792247}