Updating trunk VERSION from 3924.0 to 3925.0

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

Change-Id: Ie75dcaff77f5ee2a7ade334b2e4f2498f38a45da
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1825383Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#700074}

chrome/VERSION

 MAJOR=79
 MINOR=0
-BUILD=3924
+BUILD=3925
 PATCH=0