Incrementing VERSION to 80.0.3987.159

TBR=benmason@chromium.org

Change-Id: Id56663d39b0d5e5c7c652e46408d16ad4e5212b2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2120094
Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/3987@{#1027}
Cr-Branched-From: c4e8da9871cc266be74481e212f3a5252972509d-refs/heads/master@{#722274}
1 file changed