Updating trunk VERSION from 3796.0 to 3797.0

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

Change-Id: I0f67624927122ef2f192b14d0872efe3cf37a65e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1613680
Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#660273}