[CTS] Adopt two behaviors for STA+STA test

To avoid failure on internet connection, device will teardown the local
only netowrk with using the same SSID. But not all S device has that
fix. CTS will adopt both behaviors on S CTS

Bug: 236234767
Test: cts MultiStaConcurrencyWifiNetworkSpecifierTest
Change-Id: I8b4133434d23717ac9eec1c1e688763b00ce816d
2 files changed