Consolidate PRESUBMIT.cfg files at the top directory.

This file is used by the pre-submit checks to enable/disable checks and
should be place at the top of the directory.

BUG=chromium:613365
TEST=repo upload

Change-Id: Ife8068b497d1b038f3611db6d3eea4ad67532ad6
Reviewed-on: https://chromium-review.googlesource.com/346251
Commit-Ready: Alex Deymo <deymo@chromium.org>
Tested-by: Alex Deymo <deymo@chromium.org>
Reviewed-by: Luigi Semenzato <semenzato@chromium.org>
Reviewed-by: Andrey Pronin <apronin@chromium.org>
3 files changed