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These are part of the 10.15 SDK but are not yet implemented or used
in this code.

Bug: 973128
Change-Id: I8b34aa764d9501323f97c9650f3e1555cfa89dd0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1906332Reviewed-by: Tommy Li <tommycli@chromium.org>
Commit-Queue: Elly Fong-Jones <ellyjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#713873}