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: I1fda6231bd40d423f017d9626dae097309ff1716
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/tpm_lite/+/3927888
Tested-by: Navil Perez <navil@google.com>
Reviewed-by: Andrey Pronin <apronin@chromium.org>
Reviewed-by: Andrew Lamb <andrewlamb@chromium.org>
Commit-Queue: Navil Perez <navil@google.com>