IVGCVSW-4022 Create a DeclareLabel utility function

 * Created new TimelineUtilityMethods class
 * Created the DeclareLabel utility methods inside the new class
 * Added unit tests

Change-Id: Ife0f7853a556d48206b76baeb3934344a990bee9
Signed-off-by: Matteo Martincigh <matteo.martincigh@arm.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 38605ca..ac8b7e4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -495,6 +495,8 @@
     src/profiling/SocketProfilingConnection.hpp
     src/profiling/TimelinePacketWriterFactory.cpp
     src/profiling/TimelinePacketWriterFactory.hpp
+    src/profiling/TimelineUtilityMethods.cpp
+    src/profiling/TimelineUtilityMethods.hpp
     third-party/half/half.hpp
     )
 
@@ -626,6 +628,7 @@
         src/profiling/test/SendCounterPacketTests.hpp
         src/profiling/test/SendTimelinePacketTests.cpp
         src/profiling/test/TimelinePacketTests.cpp
+        src/profiling/test/TimelineUtilityMethodsTests.cpp
         )
 
     if(ARMNNREF)