Disable WPA2 to WPA3 auto-upgrade in P18 and P19 devices.
These devices do not support roaming in WPA3 networks. Reduce the
probability of roaming issues by using WPA2 and not upgrading to WPA3.
Bug: 169948620
Test: atest ClientModeImplTest ScanResultMatchInfoTest WifiCandidatesTest
Change-Id: I9f7ec5c0007efcc5c6669d013c8b24347b15f7c4
Signed-off-by: Chenyang Zhong <zhongcy95@gmail.com>
Signed-off-by: DennySPb <dennyspb@gmail.com>