Updating trunk VERSION from 4224.0 to 4225.0

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

Change-Id: Ic58153b84d825e50f7f73ec5432ac104fa03a86f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2337720Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#794888}

chrome/VERSION

 MAJOR=86
 MINOR=0
-BUILD=4224
+BUILD=4225
 PATCH=0