[VBLOCKS-2081] Persist outgoing client identity

[mhuynh5757]

Submission Checklist

• [x] The CHANGELOG.md reflects any feature, bug fixes, or known issues made in the source code
• [x] New unit tests and integration tests have beed added
• [x] Code coverage is more or equal to the previous coverage
• [x] A visual inspection of the Files changed tab was made prior to submitting the pull request ensuring the style guide was followed
• [x] CI pipeline is green
• [ ] Included screenshot if necessary

Description

This PR persists the outgoing call parameters for UX purposes.

Breakdown

• Use AsyncStorage library to persist information about outgoing calls between JS runtimes.
• Slight refactor of the custom parameters info submember of the call entity type.

Validation

• Unit tests.
• Manual testing on Android.

Additional Notes

N/A

Contributing to Twilio

All third-party contributors acknowledge that any contributions they provide will be made under the same open-source license that the open-source project is provided under.

• [x] I acknowledge that all my contributions will be made under the project's license.