Updating trunk VERSION from 3921.0 to 3922.0

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

Change-Id: Idaa704425ae24b233e09189d4f8bb1a39bb628be
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1818820Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#698809}

chrome/VERSION

 MAJOR=79
 MINOR=0
-BUILD=3921
+BUILD=3922
 PATCH=0