WIFI cannot be automatically connected

Legacy architectures and the ones with antenna sharing design operate with
single chain and thus would need the scan results with single radio
chain. Thus, set this configuration to TRUE

Bug: 123730925
Test: run cts-on-gsi -m CtsNetTestCases

Change-Id: I524269584588fce241d5a3a7abc6bb90e93ed507
(cherry picked from 3b4bf868)