[compiler-rt][scudo] Check for failing prctl call am: 8b8287926c am: 0057cd0904 am: 579395cbc4 am: 6f37db2d03

Original change: https://android-review.googlesource.com/c/platform/external/scudo/+/1850693

Change-Id: Idc265d4896ec0902e1abb4789b800b3f3137028c