KernelUtils.h - add arch query helpers am: 3e193f27ba

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/libs/net/+/23391171

Change-Id: I8f3f2adee955b3e51fb25ed9a444010731747903
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>