Don't run hotspot related tests if Soft AP is not supported

Also explicitly hold ACCESS_WIFI_STATE permission to avoid
no permission problem when using WifiManager#getScanResults
without shell identity.

Fix: 169219565
Test: "atest CtsTetheringTest" in cuttlefish and phyical device

Change-Id: I3d8fa7e8882bf96f61f3316a70efdf991addbcb2
3 files changed
tree: 9ccd3a8e75ed351c15e52d9b3b8636844190c6ee
  1. tests/