In order to get rid of the Chromium checkout for WebRTC, the plan is to
instead of cloning all of Chromium, only clone the build, third_party and
tools sub-directories. In order to do so, we must first move all things
checked into the WebRTC tools/ directory somewhere else.
Due to many hardcoded assumptions of tools/ existing in Chrome, this
is only manageble solution to the problem.
This first step only moves stuff not used by the build system or bots,
and deletes a few unused directories.
BUG=webrtc:5006
R=henrika@webrtc.org
Review-Url: https://codereview.webrtc.org/2584433002 .
Cr-Commit-Position: refs/heads/master@{#15622}
