Replace custom CUDA CSysMatrix matvec with cuSPARSE BSR SpMV #10657

Job	Run time
Compute shared flags	3s
Build SU2 (tsan) (BaseOMP-tsan)	13m 16s
Build SU2 (asan) (ReverseNoMPI-asan)	25m 36s
Build SU2 (tsan) (ReverseOMP-tsan)	22m 34s
Build SU2 (asan) (BaseNoMPI-asan)	17m 31s
Build SU2 (BaseNoMPI)	9m 46s
Build SU2 (BaseMPI)	15m 31s
Build SU2 (ReverseOMP)	16m 58s
Build SU2 (ForwardMPI)	13m 41s
Build SU2 (BaseOMP)	9m 50s
Build SU2 (ReverseMPI)	15m 43s
Build SU2 (ReverseNoMPI)	14m 7s
Build SU2 (ForwardOMP)	12m 9s
Build SU2 (ForwardNoMPI)	11m 43s
Build SU2 (ReverseTagNoMPI)	12m 44s
Tape Tests (serial_regression_AD.py)	2m 34s
Unit Tests (test_driver_DD)	1m 7s
Unit Tests (test_driver)	1m 10s
Unit Tests (test_driver_AD)	1m 31s
Regression Tests (serial_regression.py)	11m 18s
Regression Tests (hybrid_regression_AD.py)	3m 33s
Regression Tests (hybrid_regression.py)	6m 42s
Regression Tests (parallel_regression.py)	19m 25s
Regression Tests (vandv.py)	3m 25s
Regression Tests (serial_regression_AD.py)	6m 3s
Regression Tests (tutorials.py)	8m 10s
Regression Tests (parallel_regression_AD.py)	9m 15s
Thread Sanitizer Tests (hybrid_regression.py)	27m 28s
Thread Sanitizer Tests (hybrid_regression_AD.py)	11m 11s
Address Sanitizer Tests (serial_regression_AD.py)	8m 23s
Address Sanitizer Tests (serial_regression.py)	11m 18s
	5h 43m 45s

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