[tools/perf] Copy over catapult/experimental perf tools

Graduating these out of experimental folder in catapult.

Bug: 922030
Change-Id: I3ac3679f865aa4f409c96608348cf65d6941f82e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1494880
Reviewed-by: Sergiy Belozorov <sergiyb@chromium.org>
Reviewed-by: Caleb Rouleau <crouleau@chromium.org>
Commit-Queue: Caleb Rouleau <crouleau@chromium.org>
Auto-Submit: Juan Antonio Navarro PĂ©rez <perezju@chromium.org>
Cr-Commit-Position: refs/heads/master@{#638364}
48 files changed