Add the Noop Site Data Writer to Performance Manager

PM copy of https://cs.chromium.org/chromium/src/chrome/browser/resource_coordinator/local_site_characteristics_noop_data_writer.h

Bug: 961336
Change-Id: Ic9c6f75119effa55f4e530554eb7b03bb0075dd3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1627664
Commit-Queue: S├ębastien Marchand <sebmarchand@chromium.org>
Reviewed-by: Chris Hamilton <chrisha@chromium.org>
Cr-Commit-Position: refs/heads/master@{#663265}
5 files changed