Basic implementation of invoke / invoke-polymorphic.

Basic switch interpreter support for invoke-polymorphic. This change
allows for virtual/interface and static invokes on method handles.

Support for direct invokes (including constructors) and field
getters and setters will be added in follow up changes.

Bug: 30550796
Test: make test-art-host

Change-Id: Ieb3a991d974060d930d56467908d5c7c11d0e38e