senseApiMgr: new method: loadAllSenseApisFromOptions

This method dlopens() all senseApi libs that were referenced by
device specs.

hcore/include/senseApis/senseApiManager.h

@@ -24,6 +24,7 @@ public:
     std::optional<std::reference_wrapper<SenseApiLib>> getSenseApiLib(
         const std::string& libraryPath);
     void unloadSenseApiLib(const std::string& libraryPath);
+    void loadAllSenseApiLibsFromOptions(void);
 
 private:
     SenseApiManager() = default;

hcore/senseApis/senseApiManager.cpp

@@ -116,5 +116,13 @@ void SenseApiManager::unloadSenseApiLib(const std::string& libraryPath)
         << libraryPath << '\n';
 }
 
+void SenseApiManager::loadAllSenseApiLibsFromOptions()
+{
+    const auto& options = OptionParser::getOptions();
+    for (const auto& libPath : options.senseApiLibs) {
+        loadSenseApiLib(libPath);
+    }
+}
+
 } // namespace sense_api
 } // namespace hk