Disable IWLAN in tests on 24Q2

24Q2 reconnects mobile data when Wi-Fi is toggled when IWLAN is used,
which breaks multinetwork tests. Disable IWLAN as a workaround on such
builds.

Bug: 368477391
Test: atest
Change-Id: Ia5748dc2378c5fc4a43ff83e6b47e629eb8bf77a
2 files changed