Audio ids were being stored in a map with const char pointers, thus they
were destroyed when call_once finished. To fix this, store std::strings
instead.
Code submissions have continually suffered from formatting
inconsistencies that constantly have to be addressed. Using
clang-format simplifies this by making code formatting more consistent,
and allows automation of the code formatting so that maintainers can
focus more on the code itself instead of code formatting.
