registration: Short-circuit if dependency constraint is '*'

registration: Short-circuit if dependency constraint is '*'

Most extensions depend upon any version of other extensions/skins since
versioning is pretty inconsistent. Since '*' is so commonly used, explicitly
short-circuit that constraint since we only need to check whether the
dependency is loaded.

Bug: T198044
Change-Id: I5526c8068d3b9a6ee5ca71ea6bdbcd693f1ffb7a