Add a few tests for `ArtMethod::Invoke*()` helpers. am: ad6598372d am: 4761a487c4 am: 4d5c22c7a2

Original change: https://android-review.googlesource.com/c/platform/art/+/2310529

Change-Id: Ibd36787002b05946062b856e2d62bb0e87c51b40
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>