AwsCommonRuntimeKit potentially needs a privacy manifest

[phantumcode]

Describe the bug

Issue originally created in the amplify-swift repo by @rowanlsnapper aws-amplify/amplify-swift#3603

I'm working through some privacy manifest issues with an app that I'm working on, and the last remaining required reason API warning that I'm still dealing with is "file timestamps" (https://developer.apple.com/documentation/bundleresources/privacy_manifest_files/describing_use_of_required_reason_api#4278393).

I'm confident that the app itself is not directly using any of the mentioned file timestamp APIs, and I've worked through the dependencies to see which of them could be using these without proper privacy manifest declarations. I notice that AwsCommonRuntimeKit is using fstat(:,:) in a couple of C source files, and it looks like the module doesn't declare this in a privacy manifest.

Could this please be investigated and actioned if necessary.

Expected Behavior

App Store Connect does not send an email advising undeclared required reason API usage, app passes validation.

Current Behavior

Unknown

Reproduction Steps

1. Create an app that includes amplify-swift using SPM (in my case am linking Amplify, AWSPluginsCore, and AWSCognitoAuthPlugin to my app target).
2. Submit app to the App Store for RR API validation (can be triggered by assigning a build to a TestFlight external tester group).
3. Observe App Store Connect sends an email advising undeclared required reason API usage.

Possible Solution

No response

Additional Information/Context

No response

aws-crt-swift version used

0.26.1

Compiler and Version used

Swift 5.7

Operating System and version

iOS

[sichanyoo]

Thank you for transferring the ticket @phantumcode. And thank you for submitting the original ticket @rowanlsnapper.

We already have a ticket that tracks this in aws-sdk-swift: awslabs/aws-sdk-swift#1191.

I'll pick up this task now; all updates / PRs will be posted to the ticket in our aws-sdk-swift repo.

Closing the ticket as it's tracked in awslabs/aws-sdk-swift#1191.

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