Testing system_info.{h,cc} (manually)

Compile analytics_cpp_core_dev_tools_system_info_manualtest

fx set core.x64  --with-host '//src/lib/analytics/cpp/core_dev_tools:tests'
fx build host_x64/analytics_cpp_core_dev_tools_system_info_manualtest

Run analytics_cpp_core_dev_tools_toolchain_manualtest

out/default/host_x64/analytics_cpp_core_dev_tools_system_info_manualtest

Expected result: Same as the output of uname -ms