Updating trunk VERSION from 3296.0 to 3297.0

TBR=govind@chromium.org

Change-Id: Ib4c1c3948cd9880d3904d7f6e85bc50686ee90b7
Reviewed-on: https://chromium-review.googlesource.com/831073Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#524583}

chrome/VERSION

 MAJOR=65
 MINOR=0
-BUILD=3296
+BUILD=3297
 PATCH=0