ANDROID: Get kernel version to handle UFFD_POISON. am: adab44284b am: 0512905cbd am: 5327f18a1b

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

Change-Id: I3dc7419ddbed29843413e98153854be13a8e1200
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>