Update fixed-size arrays in the supplicant service
to use std::array<>.

Bug: 273964536
Test: atest VtsHalWifiSupplicantStaIfaceTargetTest \
            VtsHalWifiSupplicantStaNetworkTargetTest \
	    VtsHalWifiSupplicantP2pIfaceTargetTes
Change-Id: I9b2d666e77fd5590956b69acc88c501bd21ef428
2 files changed