ART: Fix MethodHandle invoke-super

Adds test for MethodHandles.unreflectSpecial() and fixes the
associated method refinement in the method handle dispatch.

Bug: 77729852
Test: art/test/run-test --host --64 956

(cherry picked from commit d7959c2a)

Change-Id: Idf022997a3d34b75428cac0bc539f6ea4bb1bc94
Merged-In: I6c364a5a6edaa9e9d04ae96683d5bb3e6adbcb6e