Add handling of amd64 canonical ubuntu lts images on compute disk.

[sizzle0121]

Add handling of amd64 canonical ubuntu lts images on compute disk.
Fixes hashicorp/terraform-provider-google#18073

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• Searched through the issue tracker for an open issue that this either resolves or contributes to, commented on it to claim it, and written "fixes {url}" or "part of {url}" in this PR description. If there were no relevant open issues, I opened one and commented that I would like to work on it (not necessary for very small changes).
• Generated Terraform, and ran make test and make lint to ensure it passes unit and linter tests.
• Ensured that all new fields I added that can be set by a user appear in at least one example (for generated resources) or third_party test (for handwritten resources or update tests).
• Ran relevant acceptance tests (If the acceptance tests do not yet pass or you are unable to run them, please let your reviewer know).
• Read the Release Notes Guide before writing my release note below.

Release Note Template for Downstream PRs (will be copied)

compute: fixed perma-diff on `google_compute_disk` for Ubuntu amd64 canonical LTS images

[github-actions]

Hello! I am a robot. Tests will require approval from a repository maintainer to run.

@zli82016, a repository maintainer, has been assigned to review your changes. If you have not received review feedback within 2 business days, please leave a comment on this PR asking them to take a look.

You can help make sure that review is quick by doing a self-review and by running impacted tests locally.

[modular-magician]

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

Diff report

Your PR generated some diffs in downstreams - here they are.

google provider: Diff ( 2 files changed, 31 insertions(+), 1 deletion(-))
google-beta provider: Diff ( 2 files changed, 31 insertions(+), 1 deletion(-))
terraform-google-conversion: Diff ( 1 file changed, 1 insertion(+), 1 deletion(-))

[modular-magician]

Tests analytics

Total tests: 956
Passed tests: 881
Skipped tests: 74
Affected tests: 1

Click here to see the affected service packages

• compute

Action taken

Found 1 affected test(s) by replaying old test recordings. Starting RECORDING based on the most recent commit. Click here to see the affected tests

TestAccComputeInstanceNetworkIntefaceWithSecurityPolicy

Get to know how VCR tests work

[modular-magician]

$\textcolor{red}{\textsf{Tests failed during RECORDING mode:}}$
TestAccComputeInstanceNetworkIntefaceWithSecurityPolicy[Error message] [Debug log]

$\textcolor{red}{\textsf{Please fix these to complete your PR.}}$
View the build log or the debug log for each test

[sizzle0121]

Hi @zli82016, I don't think the failing test is related to my change, please review, thanks!

[zli82016]

LGTM. The failed test is unrelated. Thanks for fixing it.