Merge "In android_set_abort_message, check for nullptr." am: 8cfc318a87

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2061588

Change-Id: I6a0935cccad1af6298b1c48a63f866370591dfcf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>