Use virtual dispatch for `MethodHandle.asType()`. am: 316fe63e68

Original change: https://android-review.googlesource.com/c/platform/art/+/2311607

Change-Id: I660fcc19b34be8f827cb4a98cfa1646becc541d1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>