GitLab

Updated the microarchitecture based unit tests for default commands to
check that the first two commands are sampling CPU cycles.

BUG=b:170056137

Change-Id: I6a1a91e4f1b35cb0c3e6ef77dc6aa8a297f831ad
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2450841Reviewed-by: Gabriel Marin <gmx@chromium.org>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Commit-Queue: Gabriel Marin <gmx@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814154}