Move fecs_trace_vgpu* files to nvgpu/common/vgpu/gr in conformance with native path structure. Jira GVSCI-334 Change-Id: I5aa304ab701ea369d60095bddb2656c073a2446c Signed-off-by: Aparna Das <aparnad@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2075951 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>