Updating trunk VERSION from 3619.0 to 3620.0

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

Change-Id: I0789bb4b5ec0defff59e5a469f423e35c5bc3f38
Reviewed-on: https://chromium-review.googlesource.com/c/1348913Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610536}

chrome/VERSION

 MAJOR=72
 MINOR=0
-BUILD=3619
+BUILD=3620
 PATCH=0