[AutoDiff] Deprecate `@differentiable(jvp:vjp:)` arguments. (#28932)
Deprecate `@differentiable` attribute `jvp:` and `vjp:` arguments for derivative
registration. `@derivative` attribute is the canonical way to register
derivatives.
Update tests.
TF-1001 tracks removing `@differentiable` attribute `jvp:` and `vjp:` arguments.
TF-1085 tracks removing `@differentiable(jvp:vjp:)` usages in the stdlib.