Merge "Turn TestBpfMap into a common utility class." am: d1a9d10ed8

Original change: https://android-review.googlesource.com/c/platform/frameworks/libs/net/+/1967659

Change-Id: I7b007fe0d23d7c5d4059a82fb58bd165cdc76f7f
tree: ed044c23814cbc51b801ea0d4e3c7ae0f3bb3713
  1. client-libs/
  2. common/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. TEST_MAPPING