Revert "DCE SimplifyAlwaysThrowing optimizations" am: 026a662dd6 am: 092e3bb72a am: 85285a53f2 am: fd3f2c8933 am: 58ea7bf3a9 am: a0745d88ed

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

Change-Id: I223ba0b3e8e6f5832c1722422e3ee0c7f61e60b5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>