compute/networking_peering_routes_config: add new sample for customer created peered vpc sample

[BBBmau]

Release Note Template for Downstream PRs (will be copied)

See Write release notes for guidance.

[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes for commit 8ec9f41:

Diff report

Your PR generated the following diffs in downstream repositories:

Repository	Diff Link	Changes
google provider	View Diff	2 files changed, 198 insertions(+)
google-beta provider	View Diff	2 files changed, 198 insertions(+)
Open in Cloud Shell	View Diff	4 files changed, 172 insertions(+)

Test report

Important

Manual Verification Required

VCR cannot automatically execute the following tests added in this PR. Please verify them manually:

🔴 TestAccComputeNetworkPeeringRoutesConfig_networkPeeringRoutesConfigGkePeeredVpcExample

Analytics

Total Tests	Passed	Skipped	Affected
1530	1435	95	0

Affected Service Packages

• compute

Learn how VCR tests work

---

Step 1: Replaying Mode

🟢 All tests passed in Replaying mode! No Recording was needed.

Caution

Issues requiring attention before PR completion

🔴 Manual Verification Required: New tests were added that are skipped in presubmit tests. See the "Manual Verification Required" section at the top for details.

Please address these issues to complete your PR. If you believe these detections are incorrect or unrelated to your change, please raise the concern with your reviewer.

View the replaying VCR build log

@BBBmau, @malhotrasagar2212 VCR tests complete for 8ec9f41!