Revert "DCE SimplifyAlwaysThrowing optimizations" am: 026a662dd6 am: 092e3bb72a am: 85285a53f2 am: fd3f2c8933 am: 46c903fb23

Original change: https://android-review.googlesource.com/c/platform/art/+/2051913

Change-Id: I8358c6489f8e0e7011363e5c99a2e652ed0877d7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>