[SdkSetup] Add open network "AndroidWifi"

Instead of relying on WifiConfigStore.xml, we configure Wifi in SdkSetup
to make data partition empty at build team.

Bug: 185242318

Signed-off-by: Weilun Du <wdu@google.com>
Change-Id: I0f5d7f3a6e67414f4213f98b7f3b0b19e7cc129c
2 files changed