
Several improvements made: 1. Separate life of a policy doc from general doc, focus policy launch, modification and deprecation process. 2. Move some content to policy.yaml and policy_design doc. 3. Link all those doc from add_new_policy.md and make sure all policy doc are linked back to add_new_policy.md 4. Update some out of date information and some minor text changes. Change-Id: I0fc86640bb42abb67e9dd3aa14385000c911ad64 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6127973 Reviewed-by: Sergiy Belozorov <sergiyb@chromium.org> Commit-Queue: Owen Min <zmin@chromium.org> Reviewed-by: Anqing Zhao <anqing@chromium.org> Reviewed-by: Julian Pastarmov <pastarmovj@chromium.org> Cr-Commit-Position: refs/heads/main@{#1411680}