DIR_METADATA: Add V2 Test Plans. Add the default set of test rules. V2 test plans will be verified in staging before being enabled in prod. See go/cros-cq-test-config for more details. BUG=b:249150178 TEST=dirmd validate Change-Id: Ide93b1ad7a635203f2d4f23b7369cc3820d15dd6 Reviewed-on: https://chrome-internal-review.googlesource.com/c/chromeos/thermald/+/5008063 Tested-by: Navil Perez <navil@google.com> Reviewed-by: Andrew Lamb <andrewlamb@google.com> Commit-Queue: Navil Perez <navil@google.com>