Automatic merge from submit-queue (batch tested with PRs 49218, 48253, 48967, 48460, 49230)

Restrict the visibility of two generated packages in pkg/client/

These two packages are deprecated. Please use the client-go copy of these two packages.

Currently staging/copy.sh copied these two packages to client-go. I'll send follow-up PRs to let code-gen output to client-go directly and remove these two packages. The purpose of this PR is to prevent more imports of these packages while I refactor the codegen.