Revert^6 "Thread suspension cleanup and deadlock fix" am: fe9b34f845

Original change: https://android-review.googlesource.com/c/platform/art/+/2266238

Change-Id: I3f1b6e164129b48db541cadf89e1496e87e93ce8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>