Makes wifi configurable over shared memory

Passes the mac addresses of host and guest devices through the wifi
exchange region.
Changes MacAddress type to std::array to make its size known at
compile time and moves it to the region view.

Test: run on gce
Bug: 76433498
Change-Id: Ie964a22424f0ff5004d32efcdf487894b8083c62
12 files changed
tree: 280a2f398ec6c3bfc7a1dcebaed82f4cf46e9e73
  1. common/
  2. guest/
  3. host/
  4. tools/
  5. Android.bp
  6. Android.mk
  7. OWNERS