[native] fix getDeviceID return type
Summary:
context: eng-2184
Fix the typo in type definition.
Test Plan:
- Build app
- Check if deviceID value is properly returned
Reviewers: marcin, inka, tomek
Reviewed By: marcin, inka, tomek
Subscribers: ashoat, tomek, atul, abosh
Differential Revision: https://phab.comm.dev/D5575