Updating trunk VERSION from 4201.0 to 4202.0

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

Change-Id: I285ac33732f206d096c11a50aca2660b7704c465
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2294356Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#787619}

chrome/VERSION

 MAJOR=86
 MINOR=0
-BUILD=4201
+BUILD=4202
 PATCH=0