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This would help developers understand how costly the TPM ownership
process is in real life.

For the corresponding ChromeOS change, see CL:2619438.

BUG=b:176463814
TEST=build ok.

Change-Id: I1bde763f3d776c16abc86ab4ddb4d340f37c3159
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2619359Reviewed-by: Robert Kaplow <rkaplow@chromium.org>
Commit-Queue: Leo Lai <cylai@google.com>
Cr-Commit-Position: refs/heads/master@{#843107}