Incrementing VERSION to 64.0.3243.2

TBR=dimu@chromium.org

Change-Id: Ie960a39437706bd0a2e9fc9d5be9f334caa583dc
Reviewed-on: https://chromium-review.googlesource.com/724981
Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/branch-heads/3243@{#2}
Cr-Branched-From: f8bb2ba9149776e582473ed72563628a50a67c88-refs/heads/master@{#509636}
1 file changed