[RTT] Update CTS to auto-select test AP

Update CTS to select a test AP:
- Scan for APs
- Select the APs supporting IEEE 802.11mc
- Pick the AP with the highest RSSI

Bug: 74518964
Test: atest WifiRttTest (and pick the CTS test)
Change-Id: I6467c75eedcc8260703d2a99214154c9e888cce9
2 files changed
tree: fae6af32a61f2399838dbd1b8169078bd37223e6
  1. tests/