[#2605] Update to PJSIP 1.5.5

...ty/portaudio/src/hostapi/coreaudio/pa_mac_core_internal.h

...y/portaudio/src/hostapi/coreaudio/pa_mac_core_utilities.c

...y/portaudio/src/hostapi/coreaudio/pa_mac_core_utilities.h

...ject/third_party/portaudio/src/hostapi/dsound/pa_win_ds.c

...hird_party/portaudio/src/hostapi/wasapi/pa_win_wasapi.cpp

...ct/third_party/portaudio/src/hostapi/wdmks/pa_win_wdmks.c

...ject/third_party/portaudio/src/hostapi/wmme/pa_win_wmme.c

...ject/third_party/portaudio/src/os/unix/pa_unix_hostapis.c

...jproject/third_party/portaudio/src/os/unix/pa_unix_util.c

.../pjproject/third_party/portaudio/src/os/win/pa_win_util.c

...ject/third_party/portaudio/src/os/win/pa_win_waveformat.c