Merge "Add ArbitraryJumpableGenerator tests." into main am: eab0a18d65

Original change: https://android-review.googlesource.com/c/platform/libcore/+/2986311

Change-Id: Ifb81c265e49e82a30f7197b11f3e7922f72336c3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>