NetBpfLoad: remove support for unrecognized selinux context & pindir am: 6641f2f6c1 am: c8e0facd9e

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3211925

Change-Id: Id8a0c9e2bb2354cf9588928660dc38ec8ac64d8e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>