Merge "Check for mprotect result" into main am: 0b2996f144

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2654229

Change-Id: I98fa4eca80651983ef33dc99d1b9c480ed594e95
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>