Currently CLs created by Findit bypasses Presubmit. But it's still expected to be added to the whitelist.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/52654f5f08bfbb8d5e9bc5de194202bc8de867f9

commit 52654f5f08bfbb8d5e9bc5de194202bc8de867f9
Author: Chan <chanli@chromium.org>
Date: Wed Mar 21 21:02:29 2018

Add Findit service account to Presubmit whitelist.

Bug:  824461 
Change-Id: I5926edbc1263d5dbd8d46eee7123e21be484e20a
Reviewed-on: https://chromium-review.googlesource.com/974062
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Reviewed-by: Shuotao Gao <stgao@chromium.org>
Commit-Queue: Chan Li <chanli@chromium.org>
Cr-Commit-Position: refs/heads/master@{#544838}
[modify] https://crrev.com/52654f5f08bfbb8d5e9bc5de194202bc8de867f9/PRESUBMIT.py