Merge "Split BpfNetMaps constants and utilities into standalone classes" into main am: 50a7ecccf1

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2720877

Change-Id: I96040478955eb24870f973e8545e89a10fb2c117
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>