Updating trunk VERSION from 3376.0 to 3377.0

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

Change-Id: I7334d112f3aa5619170be0ef8e6e20d268a364cf
Reviewed-on: https://chromium-review.googlesource.com/969885Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#544275}

chrome/VERSION

 MAJOR=67
 MINOR=0
-BUILD=3376
+BUILD=3377
 PATCH=0