Avoid duplicate installed notice file rules.

For cases with a my_register_name, move into $(call license-metadata-rule).

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m nothing

Change-Id: Ib6c610960347db84503831b1e1519622696d4500
Merged-in: Ib6c610960347db84503831b1e1519622696d4500