Merge "Refactor BpfNetMaps and getChainEnabled" am: 51a03d629e

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2135061

Change-Id: Ia3e745d43be4f20af2c7b68f9628e9bb2b3d1003
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>