[C++] Add `-fno-omit-frame-pointer -g -O2` to the sanitise build, i.e. improve stacktrace quality and ensure enough optimizations are done to offset the overhead of sanitizers.
[C++] Add `-fno-omit-frame-pointer -g -O2` to the sanitise build, i.e. improve stacktrace quality and ensure enough optimizations are done to offset the overhead of sanitizers.

mikeb01/Aeron,mikeb01/Aeron,mikeb01/Aeron,mikeb01/Aeron