Make a class hard fail if a code item has no opcode. am: 3377268208

Original change: https://android-review.googlesource.com/c/platform/art/+/2214804

Change-Id: I6875572ed3cf29ade8fc8bd17307cce2ff1ee309
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>