hl2ss 1.0.32.0

Fixed an issue in which the pose of encoded video frames was ahead by one frame (thanks @trandzik).
Configurable RM VLC timestamp offset to correct frame-pose alignment (thanks @trandzik).
Reduced memory usage of the Spatial Mapping interface.
Added Guest Message Queue interface for sending messages from server (plugin) to client.
Migrated to the latest C++/WinRT. If there are any issues, please verify that your HoloLens OS is up to date.