Updating trunk VERSION from 3614.0 to 3615.0

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

Change-Id: I295feb29633ca706f1f3979e10821bd349771b6f
Reviewed-on: https://chromium-review.googlesource.com/c/1341094Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609134}

chrome/VERSION

 MAJOR=72
 MINOR=0
-BUILD=3614
+BUILD=3615
 PATCH=0