add SKIP_IF_XDP_NOT_SUPPORTED macro am: a36bed395f am: 7d7af8b3d8 am: f67ec96c94

Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/1555041

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ic7512eede8d0a8f5d26a9b919f7cc9eb0c91dd07
tree: f4c7a19ce1284bb01a50c4d3ca7379f224819b8d
  1. bpfloader/
  2. libbpf_android/
  3. progs/
  4. Android.bp
  5. NOTICE
  6. OWNERS
  7. PREUPLOAD.cfg