Implements APIs for 'gpu_metrics_v1_3' utilization averages
Code changes related to the following:
* rsmi_dev_activity_metric_get()
* rsmi_dev_activity_avg_mm_get()
* CLI shows "Avg.Memory Bandwidth" under "--showmemuse"
Change-Id: I8e4600f350a7c18499abf022534db2b875f09d5f
Signed-off-by: Oliveira, Daniel <daniel.oliveira@amd.com>
Enums referenced in the test did not match what's in rocm_smi.h.
Added static assert to try to catch this. Also moved enum string
map to test_common.cc/h where other such maps are.
Also, fixed some cpplint issues.
Change-Id: I683553248ceb2fabb28ce1a1208bc9744aaf88d6