WifiServiceImpl: system server side for apband conversion check

Add underlying impl for use of needs5GHzToAnyApBandConversion in WifiServiceImpl.

Bug: 80251951
Test: frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Change-Id: I1bf6155fd729ef2d81ca5f6029eb61da2c6d09a3
2 files changed