Merge "ashmem: Ensure all memfds have non-executable permissions by default"...

Merge "ashmem: Ensure all memfds have non-executable permissions by default" into main am: 445d2e00 am: 54fcd052

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3388580



Change-Id: I23159135ac258a71074d3d6e66ae58c95f0d190a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>