Updating trunk VERSION from 3374.0 to 3375.0

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

Change-Id: Ie07ed3765cd857e540f6427f70c9b7153b318f9b
Reviewed-on: https://chromium-review.googlesource.com/967880Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#543950}

chrome/VERSION

 MAJOR=67
 MINOR=0
-BUILD=3374
+BUILD=3375
 PATCH=0