This adds a --enable-gclient-experiment flags that tells bot_update.py
to skip applying the patch, and instead forward the flags to gclient.
Bug: 643346
Change-Id: Ia4275a126e6adba54dfcc894d224c50c166db90e
Reviewed-on: https://chromium-review.googlesource.com/962938
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
Reviewed-by: Aaron Gable <agable@chromium.org>