Updating trunk VERSION from 3642.0 to 3643.0

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

Change-Id: I117e87ca52da5e175e3c7d6e9b9bcc24878068d8
Reviewed-on: https://chromium-review.googlesource.com/c/1379269
Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#616999}
1 file changed