ICameraService: Add methods to query concurrent streaming camera support.

- getConcurrentStreamingCameraIds() :
        returns a list of combinations of camera ids that may stream
        concurrently.

- isConcurrentSessionConfigurationSupported() :
        queries whether camera devices can support the
        corresponding given session configurations concurrently.

Bug: 77960042

Test: GCA (sanity)
Test: CTS

Change-Id: Iba237118ccf145695a500a2c406713e416e66011
Signed-off-by: Jayant Chowdhary <jchowdhary@google.com>