p2p: add documentation for WifiP2pConfig.Builder API

Bug: 126614407
Test: Unit tests - atest FrameworksWifiTests
Test: Unit tests - atest FrameworksWifiApiTests
Change-Id: I300948ad524f2527d0c564ce1e2365fd1688bbfd
1 file changed
tree: 1595f39e5199f689eed0b0349330dd868cd42d77
  1. framework/
  2. OsuLogin/
  3. OWNERS