NetBpfLoad: simplify location argument to loadProg() am: 4c7f59f8f4 am: efb93e09e9

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3221271

Change-Id: I9ae43cc4578d7f7258d5c56aef41fbcc73b6cb8a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>