Camera: Add CTS into postsubmit for key camera directories

Run postsubmit on cuttlefish and the primary physical device currently available.

Bug: 158797957
Test: atest :postsubmit correctly tries to run CtsCameraTestCases
Change-Id: I1e5367c39c37f4168e4cc5a8d28ac4d9822d3581
2 files changed