Updating trunk VERSION from 3628.0 to 3629.0

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

Change-Id: Id31f83702db71aece936782e49233448184a486a
Reviewed-on: https://chromium-review.googlesource.com/c/1357899Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#612963}

chrome/VERSION

 MAJOR=73
 MINOR=0
-BUILD=3628
+BUILD=3629
 PATCH=0