Support for BLE assisted discovery and pairing

Added stub functions to generate a DIR info and to validate a received
DIR info.

Bug: 341971059
Test: Manual - Basic P2P connect/disconnect tests
Test: TH Presubmit tests
Test: atest VtsHalWifiSupplicantStaIfaceTargetTest \
      VtsHalWifiSupplicantStaNetworkTargetTest \
      VtsHalWifiSupplicantP2pIfaceTargetTest
Change-Id: I985e9470696b21893ae9ad33174e9156a944ba3b
2 files changed