Revert "start bpfloader asynchronously" am: 2a775a423a am: d230ef3812 am: af08072d80

Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/1347790

Change-Id: Ib403b37a7f2e73f120fafb389d5c5734e6eb7915
tree: 1e3d77ffb33703eb10b9a96a7cf13aa7b42752c5
  1. bpfloader/
  2. libbpf_android/
  3. progs/
  4. Android.bp
  5. NOTICE
  6. OWNERS
  7. PREUPLOAD.cfg