[PSK/EAP] Do not add SHA256 Key mgmt for SupplicantHal < 1.2

Following on GSI Q on P failure:
Do not add SHA256 Key management where Supplicant HAL version
is lower than 1.2, where it is not supported.

Bug: 132656148
Test: atest SupplicantStaNetworkHalTest
Change-Id: Idf6f85fa409082b3b88dd36b624f8878be695709
2 files changed