Exclude Basic scaling and add explicit automatic scaling to App Engine

[KannetiDivya4a7]

Replaced basic scaling with explicit automatic scaling in App Engine sample to fix diff issue.

Per b/325645138, this rolls back #10000, which was intended to be a temporary fix.

appengine: fixed permadiff in `google_app_engine_standard_app_version` 

[google-cla]

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[github-actions]

Googlers: For automatic test runs see go/terraform-auto-test-runs.

@melinath, 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.

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[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes for commit 9ee8f0b:

Diff report

Your PR generated the following diffs in downstream repositories:

Repository	Diff Link	Changes
google provider	View Diff	2 files changed, 24 insertions(+), 4 deletions(-)
google-beta provider	View Diff	2 files changed, 24 insertions(+), 4 deletions(-)

Test report

Analytics

Total Tests	Passed	Skipped	Affected
16	12	3	1

Affected Service Packages

• appengine

Learn how VCR tests work

---

Step 1: Replaying Mode

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

• TestAccAppEngineStandardAppVersion_appEngineStandardAppVersionExample

View the replaying VCR build log

---

Step 2: Recording Mode

Recording Mode	Replaying Rerun	Test Name
✅ Log	✅	TestAccAppEngineStandardAppVersion_appEngineStandardAppVersionExample

🟢 All tests passed!

View the recording VCR build log or the debug logs folder for detailed results.

@KannetiDivya4a7, @melinath VCR tests complete for 9ee8f0b!

[melinath]

I don't think this test has any diffs that need to be fixed.

[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes for commit 50122b4:

Diff report

Your PR generated the following diffs in downstream repositories:

Repository	Diff Link	Changes
google provider	View Diff	1 file changed, 1 insertion(+)
google-beta provider	View Diff	1 file changed, 1 insertion(+)

Test report

Analytics

Total Tests	Passed	Skipped	Affected
16	12	3	1

Affected Service Packages

• appengine

Learn how VCR tests work

---

Step 1: Replaying Mode

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

• TestAccAppEngineStandardAppVersion_appEngineStandardAppVersionExample

View the replaying VCR build log

---

Step 2: Recording Mode

Recording Mode	Replaying Rerun	Test Name
✅ Log	✅	TestAccAppEngineStandardAppVersion_appEngineStandardAppVersionExample

🟢 All tests passed!

View the recording VCR build log or the debug logs folder for detailed results.

@KannetiDivya4a7, @melinath VCR tests complete for 50122b4!

[KannetiDivya4a7]

Thanks! reverted the accidental changes to app_engine_standard_app_version.tf.tmpl and implemented the proper fix for the permadiff in the YAML file.

[github-actions]

@melinath This PR has been waiting for review for 3 weekdays. Please take a look! Use the label disable-review-reminders to disable these notifications.

[melinath]

Please fix the failing CLA check

[github-actions]

@KannetiDivya4a7, this PR is waiting for action from you. If no action is taken, this PR will be closed in 28 days.

Please address any comments or change requests, or re-request review from a core reviewer if no action is required.

This notification can be disabled with the disable-automatic-closure label.

[KannetiDivya4a7]

Closing this PR as the changes have been re-raised by Dipanshu in #18555 to resolve the TVC CLA validation issue. Thanks!