Allow windowhandles with NO_INPUT_CHANNEL

This allows container surfaces to be considered visible in
InputDispatcher and prevent touches from passing through them. In
particular this is used by ActivityRecordInputSink to block touches that
would otherwise pass through the area available to the activity.

Bug: 194480991
Bug: 222292477
Test: Manually tested that blocking still works
Test: atest android.server.wm.WindowUntrustedTouchTest
Test: atest InputSurfacesTest
Change-Id: Icb419d6c61d63eeeda4b6a9ad725cd4829fd6fc8