Name all DEATH tests using 'DeathTest' suffix. am: 3a4cbda66a am: 68ef6d8b8d am: 05188426fa am: 3de4bc2767

Original change: https://android-review.googlesource.com/c/platform/external/scudo/+/1763965

Change-Id: I30deb56092b917dd00614dfc5e7fdccd670500ee