chore(ios): add PrivacyInfo config for iOS

[wwwcg]

Pre-PR Checklist

• [x] I added/updated relevant documentation.
• [x] I followed the Convention Commit guideline with maximum 72 characters to submit commit message.
• [x] I squashed the repeated code commits.
• [x] I signed the [CLA].
• [x] I added/updated test cases to check the change I am making.
• [x] All existing and new tests are passing.

[hippy-service[bot]]

Hi, @wwwcg. Thanks for your PR! :clap:

:label: You can leave a comment in this PR with #help tag when you need help (e.g. some status checks run failed due to internal issue), admin team members will help asap.