Camera: Disconnect composite streams from output surface at shutdown

When a composite stream is deleted, the previously connected output
surface needs to be disconnected. Otherwise when the composite stream is
re-created with the same output surface, connect() will fail.

Test: TestingCamera2, and Camera CTS
Bug: 79465976
Bug: 109735087
Bug: 124072769
Change-Id: I254238235d306f9be8152110b1c55a7ada46424a