Updating trunk VERSION from 3385.0 to 3386.0

# This is an automated release commit.
# Do not revert without consulting chrome-pmo@google.com.
NOAUTOREVERT=true
TBR=govind@chromium.org

Change-Id: Ia145650b65b89ac419db2f710ff16f51b16bf1a5
Reviewed-on: https://chromium-review.googlesource.com/989256Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#547367}

chrome/VERSION

 MAJOR=67
 MINOR=0
-BUILD=3385
+BUILD=3386
 PATCH=0