Removing ATT buffer size limitation (#534)

* Removing SQTT buffer size limitation

* Update source/lib/rocprofiler-sdk/thread_trace/core.cpp

* Added testing for buffer size. Formatting.

* Add test as unstable

* Increase default buffer size

* Apply suggestions from code review

Co-authored-by: Indic, Vladimir <Vladimir.Indic@amd.com>

* Fix typo from code review

* Update tests/thread-trace/agent.cpp

---------

Co-authored-by: Giovanni <gbaraldi@amd.com>
Co-authored-by: Indic, Vladimir <Vladimir.Indic@amd.com>

source/bin/rocprofv3.py

@@ -769,7 +769,7 @@ For MPI applications (or other job launchers such as SLURM), place rocprofv3 ins
 
     att_options.add_argument(
         "--att-buffer-size",
-        help="Thread trace buffer size. Default 96MB",
+        help="Thread trace buffer size. Default 256MB",
         default=None,
         type=str,
     )