Add namespace in build.gradle for RN 73 compatibility

[VelocityPulse]

Description of the change

For Android, will Add namespace in build.gradle for RN 73 compatibility React Native main topic: https://github.com/react-native-community/discussions-and-proposals/issues/671

Type of change

• [ ] Bug fix (non-breaking change that fixes an issue)
• [ ] New feature (non-breaking change that adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [x] Maintenance
• [ ] New release

Related issues

• Fix android-fix-namespace-for-rn-73

Code review

• [ ] This pull request has a descriptive title and information useful to a reviewer. There may be a screenshot or screencast attached
• [ ] "Ready for review" label attached to the PR and reviewers assigned
• [ ] Issue from task tracker has a link to this pull request
• [ ] Changes have been reviewed by at least one other engineer