Mark classes of package uimanager as @Nullsafe
Summary: All these classes are NullSafe, let's mark them as NullSafe(Local) to ensure lint detect errors in the future
changelog: [internal] internal
Differential Revision: D53393138
This pull request was exported from Phabricator. Differential Revision: D53393138
This pull request was exported from Phabricator. Differential Revision: D53393138
This pull request was exported from Phabricator. Differential Revision: D53393138
This pull request was exported from Phabricator. Differential Revision: D53393138
This pull request was exported from Phabricator. Differential Revision: D53393138
Closing as abandoned internally