Add PlaceId support for Geo Autocomplete feature

[sreeramsama]

Description of changes

• Update existing SearchForSuggestions API to return PlaceId (if available) along with text (title, address) of the places.
• Implement a new API called SearchForLocationById which will be a wrapper around AmazonLocationService’s GetPlace API

Issue #, if available

Description of how you validated changes

Checklist

• [x] PR description included
• [ ] yarn test passes
• [x] Tests are changed or added
• [ ] Relevant documentation is changed or added (and PR referenced)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[thaddmt]

Can you ask in the JS channel if we can run integration / unit tests on a forked pr? if not maybe we should move this to a branch on amplify-js direclty so the tests run