DCE SimplifyAlwaysThrowing optimizations am: 298112a02c am: 936e0e9d00 am: 61c646f8f2 am: 6584a2715b am: 3ee67886c0

Original change: https://android-review.googlesource.com/c/platform/art/+/2047843

Change-Id: Id0f323cd13aba2dd8b1ef857d63b9b48c8c7e5e6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>