Updating trunk VERSION from 3611.0 to 3612.0

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

Change-Id: I2f0422bbf5e40dc1a2070b6f7a9d4525ae0aac41
Reviewed-on: https://chromium-review.googlesource.com/c/1336563Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608253}

chrome/VERSION

 MAJOR=72
 MINOR=0
-BUILD=3611
+BUILD=3612
 PATCH=0