Updating trunk VERSION from 3952.0 to 3953.0

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

Change-Id: Ib476b40643ffc11226d5ed4a610a07f55ef15127
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1885454Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#710175}

chrome/VERSION

 MAJOR=80
 MINOR=0
-BUILD=3952
+BUILD=3953
 PATCH=0