Add more verbose log message when stack map isn't found. am: 92d5a61af7

Original change: https://android-review.googlesource.com/c/platform/art/+/2104926

Change-Id: Ieb57c17d10e4c9cee421e63069cbe7b33736e548
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>