GitLab

Update directory structure of benchmark related docs

Changes:

Create docs/speed/benchmark/ folder
Move docs/speed/benchmark_harnesses/telemetry_device_setup.md to docs/speed/benchmark/
Move the rest of the docs in docs/speed/benchmark_harnesses to docs/speed/benchmark/harnesses

Change-Id: Ief809e8bc2da776ece0c595c449fd9b7f676825f

NOTRY=true # This is just documentation change

Change-Id: Ief809e8bc2da776ece0c595c449fd9b7f676825f
Reviewed-on: https://chromium-review.googlesource.com/990579
Commit-Queue: Ned Nguyen <nednguyen@google.com>
Reviewed-by: Annie Sullivan <sullivan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#547487}