[NFCT.TETHER.2] Migrate tetherOffloadRuleAdd from netd to mainline

A preparation for updating BPF map in mainline module.

Test: atest TetheringCoverageTests
Change-Id: I6f8667bf110dae3e2805c2752ff59e7284a7bce0
7 files changed
tree: af525e0a4ddc42192cd98c322c8c451e5b5197ca
  1. framework/
  2. tests/
  3. Tethering/
  4. .gitignore
  5. OWNERS
  6. PREUPLOAD.cfg
  7. TEST_MAPPING