Feat: Add google_oracle_database_cloud_exadata_infrastructure datasource

[tulika-aakriti]

Part of- hashicorp/terraform-provider-google#19849

Release Note Template for Downstream PRs (will be copied)

`google_oracle_database_cloud_exadata_infrastructure`

[github-actions]

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

@slevenick, 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 ( 4 files changed, 117 insertions(+))
google-beta provider: Diff ( 4 files changed, 117 insertions(+))

[modular-magician]

Tests analytics

Total tests: 6
Passed tests: 4
Skipped tests: 0
Affected tests: 2

Click here to see the affected service packages

• oracledatabase

Action taken

Found 2 affected test(s) by replaying old test recordings. Starting RECORDING based on the most recent commit. Click here to see the affected tests

• TestAccOracleDatabaseCloudExadataInfrastructure_oracledatabaseCloudExadataInfrastructureBasicExample
• TestAccOracleDatabaseCloudExadataInfrastructure_oracledatabaseCloudExadataInfrastructureFullExample

Get to know how VCR tests work

[modular-magician]

🟢 Tests passed during RECORDING mode:
TestAccOracleDatabaseCloudExadataInfrastructure_oracledatabaseCloudExadataInfrastructureBasicExample[Debug log]
TestAccOracleDatabaseCloudExadataInfrastructure_oracledatabaseCloudExadataInfrastructureFullExample[Debug log]

🟢 No issues found for passed tests after REPLAYING rerun.

---

🟢 All tests passed!

View the build log or the debug log for each test

[slevenick]

We don't want to hard code this project here. There should be functions used in the other tests to pass through this project via environment variables. Can you use those in this test? You'll need to call them from the above function and pass the value through as an argument to this one.

[tulika-aakriti]

All other resources were autogen, we override the documentation example later with our project. #11961