portaudiolayer: replace handleError with ring debug macros

- Removes the handleError member function in the PortAudioLayer class, and
  replaces it's usage with ring debug macros to report the appropriate
  line numbers during error reporting in portaudiolayer.cpp.

Change-Id: Ibdfffbfabdb985d249813895a84cc2d1266e68f3
Tuleap: #791