Use the proto option for making the AnyInvocable interface the default, which also requires updating the clif implementation.
Use the proto option for making the AnyInvocable interface the default, which also requires updating the clif implementation.

For context, see go/stubby-to-invocable.

Tested:
TAP Global Presubmit

NO_PROTO_RELNOTES

PiperOrigin-RevId: 463869994

google/clif,google/clif,google/clif