hotspot2: cleanup DomainMatcher

- Cleanup the implementation
- Add documentation
- Add unit tests

Bug: 33050774
Test: frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Change-Id: I694ab0fc24ed9e8bcd9cd24a4d22208e123dcc5f
4 files changed
tree: 847ee4fbb58c4484e25271501c721bb8e398e52b
  1. service/
  2. PREUPLOAD.cfg