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

Merge "Revert "ashmem: Ensure all memfds have non-executable permissions by default"" into main am: eba19fb8 am: 0c98986d

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3530510



Change-Id: I78dc11084c6b0c9ab44ed5d9851571a4c4b49864
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>