Updating trunk VERSION from 3349.0 to 3350.0

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

Change-Id: I1530eca57ad6000ec87eff1160d31c9e9515043b
Reviewed-on: https://chromium-review.googlesource.com/923581Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#537190}

chrome/VERSION

 MAJOR=66
 MINOR=0
-BUILD=3349
+BUILD=3350
 PATCH=0