Updating trunk VERSION from 3931.0 to 3932.0

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

Change-Id: I2770d719ae2c0af7fffb4a44e5c8b5360522ce32
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1837331Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#702298}

chrome/VERSION

 MAJOR=79
 MINOR=0
-BUILD=3931
+BUILD=3932
 PATCH=0