Updating trunk VERSION from 3297.0 to 3298.0

TBR=govind@chromium.org

Change-Id: I98fdf9497b8e9ac33ff1554c02898296e590a16c
Reviewed-on: https://chromium-review.googlesource.com/830791Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#524617}

chrome/VERSION

 MAJOR=65
 MINOR=0
-BUILD=3297
+BUILD=3298
 PATCH=0