Add an API to reset firmware roaming configuration

While there, fix an issue with parsing blacklist BSSID. The string
passed in is already unquoted.

Also delete the helper function that parses MAC address string
to a byte array. Use the one provided by NativeUtil.

Bug: 33696699
Test: manual test by exercising the relevant framework logic
Change-Id: I94a0362bf8884f53d22bc53067f3347d6f97f946
3 files changed
tree: 6321cbe29af101682fa4d3a4c9743358fff1fc8e
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/
  5. PREUPLOAD.cfg