Block submission of patches.json files See also http://go/pigweed-dependent-cls-v2. Bug: b/232234662 Change-Id: I1b85eece549d09d10e62e27cbb2b6f767507cd4a Reviewed-on: https://bluetooth-review.git.corp.google.com/c/All-Projects/+/1100 Reviewed-by: Ted Pudlik <tpudlik@google.com>