chromeos-chrome: Automatic uprev to 150.0.7840.0_pre1630036.

Roll Chrome to commit 83e7ad9eec8b7735d348048e68a2814659e24bc7.

This uprev is based on tip-of-tree main branch Chrome at a particular commit, not a Chrome canary release. It aims to provide more frequent uprevs and smaller lag for Chrome roll to ChromeOS main branch tip-of-tree.

If you want to revert this CL, please see go/before-reverting-chrome-uprev-cl.

In case of merge conflict, please regenerate the CL by clicking 'RETRY BUILD' in the below link of the job detail then abandon this.

Generated by PUpr, see https://cr-buildbucket.appspot.com/build/8681900983936350465 for job details.

BUG=None
TEST=CQ
R=chrome-os-gardeners-reviews@google.com

Pupr-Upstream-Versions: [{"ref": "refs/heads/main", "repository": "/chromium/src", "revision": "83e7ad9eec8b7735d348048e68a2814659e24bc7"}]
Cq-Cl-Tag: pupr:chromeos-base/chromeos-chrome
Change-Id: I0197d70082905bbd940ab59d45170bd8e265ad6c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/7845465
Bot-Commit: chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com>
Commit-Queue: chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com>