Fix CtsNetTestCases in instant mode

Skip tests that cannot run in instant mode, as WifiManager is not
available, and the test cannot bind to sockets in instant mode.

Bug: 192284219
Test: atest CtsNetTestCases -- --enable-parameterized-modules \
        --abi arm64-v8a --module-parameter instant_app
Original-Change: https://android-review.googlesource.com/1753823
Merged-In: I7a7b0169a3a495bb359dc1f72e56937dcdc5b8a8
Change-Id: I7a7b0169a3a495bb359dc1f72e56937dcdc5b8a8
3 files changed