* add time_to_first_inference_result KPI as sum of inf latency values
* append time unit format after the value
* Revert "append time unit format after the value"
This reverts commit 4bdd82e06b.
* remove metric, to be consistent with rest ones
* added FEIL SCOPED_TIMER (It will report the sum of all stages)
* revert add time_to_first_inference_result KPI as sum of inf latency values
* place SCOPED_REGION(first_inference_latency) inside a block { } - tested and worked
* enable first_inference_latency for timetest_infer_API_2.0
tested and worked
* remove trailing whitespace
Co-authored-by: Daria Ilina <daria.krupnova@intel.com>