Merge "Add ArbitraryJumpableGenerator tests." into main am: eab0a18d65 am: 64fca8031e

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

Change-Id: I3e2e82bdae993b6c64ecd140fd92ff016def8250
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>