Make [at|de]tachAllSenseDevices[FromSpecs] and initializeSalmanoff async

This is the culmination of a lot of changes over the last week. We're
making SMO basically fully async in many areas, and then preparing to
implement the spinqueueing mechanism for locking.

smocore/include/senseApis/senseApiManager.h

@@ -8,6 +8,7 @@
 #include <optional>
 #include <functional>
 #include <componentThread.h>
+#include <asynchronousLoop.h>
 #include <senseApis/senseApiLib.h>
 #include <user/deviceAttachmentSpec.h>
 
@@ -52,9 +53,16 @@ public:
     void detachSenseDeviceReq(
         const std::shared_ptr<device::DeviceAttachmentSpec>& spec,
         detachSenseDeviceReqCbFn cb);
-	void attachAllSenseDevicesFromSpecs(void);
-	void detachAllSenseDevices(void);
-	void detachAllSenseDevicesReq(void);
+
+	typedef std::function<void(AsynchronousLoop &results)>
+		attachAllSenseDevicesFromSpecsReqCbFn;
+	typedef std::function<void(AsynchronousLoop &results)>
+		detachAllSenseDevicesReqCbFn;
+
+	void attachAllSenseDevicesFromSpecsReq(
+		attachAllSenseDevicesFromSpecsReqCbFn cb);
+	void detachAllSenseDevicesReq(
+		detachAllSenseDevicesReqCbFn cb);
 
     std::string stringifyLibs() const;
 
@@ -69,6 +77,8 @@ private:
 
 	class AttachSenseDeviceReq;
 	class DetachSenseDeviceReq;
+	class AttachAllSenseDevicesFromSpecsReq;
+	class DetachAllSenseDevicesReq;
 
 public:
     static std::optional<std::string> searchForLibInSmoSearchPaths(