WifiNetworkFactory: Reject requests for internet with specifier

Reject any NetworkRequest with WifiNetworkSpecifier attached and has
INTERNET capability set. This will otherwise trigger an unwanted
connection which will be torn down by connectivity service immediately
(because WifiNetworkAgent will not have INTERNET capability & hence will
never match the app's request).

Bug: 134735892
Test: atest com.android.server.wifi
Test: act.py -c wifi_manager_cross.config -tb dut-name -tc WifiNetworkRequestTest
Test: CtsVerifier tests
Change-Id: Ia9932379825cec7777baf92e058cd04d181ffc0b
2 files changed