Use proper dbus path when possible.

Following methods and properties were updated to use full dbus path,
instead of internal telemetry id:
- TriggerManager.AddTrigger() - 'reportIds' arg
- Trigger.ReportIds - renamed to 'Reports'
- Report.TriggerIds - renamed to 'Triggers'

Testing done:
- UTs were updated and are passing.

Signed-off-by: Szymon Dompke <szymon.dompke@intel.com>
Change-Id: I78d812d38289fac575d25b48503cc8b9c6f736fe
diff --git a/tests/src/helpers.hpp b/tests/src/helpers.hpp
index 8ae0b7f..1c4905c 100644
--- a/tests/src/helpers.hpp
+++ b/tests/src/helpers.hpp
@@ -5,3 +5,4 @@
 #include "helpers/labeled_tuple_helpers.hpp"
 #include "helpers/metric_value_helpers.hpp"
 #include "helpers/types/duration_types_helpers.hpp"
+#include "helpers/types/object_path_helpers.hpp"