ANDROID: Get kernel version to handle UFFD_POISON. am: adab44284b

Original change: https://android-review.googlesource.com/c/platform/external/linux-kselftest/+/2815113

Change-Id: Ice82338942bd15c97f006b92c36e5ccc7da1bfd6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>