Advanced category for configuration options (#125)

Adds advanced category

- advanced category hides less relevant configuration options
- omnitrace-avail has new '--advanced' option which shows these flags
- increase verbosity level to print issue with reading ppid children
- OMNITRACE_ROCTRACER_HSA_ACTIVITY defaults to ON
- OMNITRACE_ROCTRACER_HSA_API defaults to ON

[ROCm/rocprofiler-systems commit: afa3df8523]

projects/rocprofiler-systems/source/bin/tests/CMakeLists.txt

@@ -242,7 +242,7 @@ omnitrace_add_bin_test(
 omnitrace_add_bin_test(
     NAME omnitrace-avail-category-filter-timemory
     TARGET omnitrace-avail
-    ARGS --categories settings::timemory --brief
+    ARGS --categories settings::timemory --brief --advanced
     LABELS "omnitrace-avail"
     TIMEOUT 45
     PASS_REGEX
@@ -262,6 +262,7 @@ omnitrace_add_bin_test(
          ~PROCESS_SAMPLING
          --csv
          --brief
+         --advanced
     LABELS "omnitrace-avail"
     TIMEOUT 45
     PASS_REGEX "ENVIRONMENT VARIABLE,[ \n]+OMNITRACE_USE_PID,[ \n]+"