Changed dbus add report interface

- metric parameters now take single sensor instead of list
- added interface support for new operation types

Tested:
- All telemetry tests are passing.

Signed-off-by: Krzysztof Grobelny <krzysztof.grobelny@intel.com>
Change-Id: Id3a41c48e81a287e7d205ae1c747daa36d4cdb29
diff --git a/src/utils/tstring.hpp b/src/utils/tstring.hpp
index f0a401f..a8d3e90 100644
--- a/src/utils/tstring.hpp
+++ b/src/utils/tstring.hpp
@@ -16,11 +16,11 @@
     }
 };
 
-struct SensorPaths
+struct SensorPath
 {
     static std::string str()
     {
-        return "sensorPaths";
+        return "sensorPath";
     }
 };