Updating trunk VERSION from 3629.0 to 3630.0

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

Change-Id: Ib9af0ff0386cbcfd4dd21ac9b33f50da0a8be2f6
Reviewed-on: https://chromium-review.googlesource.com/c/1357905Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#612998}

chrome/VERSION

 MAJOR=73
 MINOR=0
-BUILD=3629
+BUILD=3630
 PATCH=0