Updating trunk VERSION from 3370.0 to 3371.0

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

Change-Id: I63fded1b83f7f2fd51ca455f2b1f5eefee8f76d4
Reviewed-on: https://chromium-review.googlesource.com/961809Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#542994}

chrome/VERSION

 MAJOR=67
 MINOR=0
-BUILD=3370
+BUILD=3371
 PATCH=0