rename subpriority constants to make more readable

Rename DEFAULT_SUB_PRIORITY to SUB_PRIORITY_HIGHEST and
LOWEST_SUB_PRIORITY to SUB_PRIORITY_LOWEST.

Test: builds
Change-Id: Ic62ad37d8bb2fafa488589e2e25f8c890c5dd649
8 files changed
tree: d41baa1df8904f69120b796bc0c6e65ab29722cd
  1. bpf_progs/
  2. client/
  3. include/
  4. libnetdbpf/
  5. netutils_wrappers/
  6. server/
  7. tests/
  8. .editorconfig
  9. Android.bp
  10. NOTICE
  11. OWNERS
  12. PREUPLOAD.cfg
  13. TEST_MAPPING