Split StimulusProducer=>StimulusBuffer+StimulusProducer

We're getting ready for the last mile of the StimulusBuffer API
and the proto-completion of the LivoxGen1 StimBuffApi.

stimBuffApis/livoxGen1/livoxGen1.cpp

@@ -170,6 +170,7 @@ public:
 
 		// Parse history buffer duration from quale-iface-api-params
 		int histbuffMs = 30000;  // Default: 30000ms (30 seconds)
+		(void)histbuffMs;
 		const std::vector<std::string> histbuffParamNames = {
 			"history-buffer-duration-ms",
 			"hist-buff-duration-ms",
@@ -194,10 +195,10 @@ public:
 		}
 
 		// Create and add PcloudDataProducer to collection now that device is ready
-		StimulusProducer::PcloudFormatDesc formatDesc;
-		formatDesc.format = StimulusProducer::PcloudFormatDesc::Format::XYZI;
+		PcloudDataProducer::PcloudFormatDesc formatDesc;
+		formatDesc.format = PcloudDataProducer::PcloudFormatDesc::Format::XYZI;
 		auto pcloudDataProducer = std::make_shared<PcloudDataProducer>(
-			context->spec, context->deviceTmp, formatDesc, histbuffMs, 30);
+			context->spec, context->deviceTmp, formatDesc, 30);
 
 		context->stimProducer = pcloudDataProducer;
 		context->deviceTmp->nAttachedStimBuffs++;