improve mts bpf_existence_test to cover netd/clatd maps and programs in new location am: e9d5ad0b88 am: 89092d5798

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2073978

Change-Id: I5d25eb505b736f8c6bc9156f26f2cb7723f1b33d
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>