IVGCVSW-6704 Change the namespace from armnn::profiling to arm::pipe

  * Updated ABI version to 29 due to being the first ABI break in 22.05

!android-nn-driver:7226

Signed-off-by: Cathal Corbett <cathal.corbett@arm.com>
Change-Id: I9c50007dcd5b5e792757e7bd1213606df5ffec36
diff --git a/include/armnn/backends/IWorkload.hpp b/include/armnn/backends/IWorkload.hpp
index ce3914b..20be016 100644
--- a/include/armnn/backends/IWorkload.hpp
+++ b/include/armnn/backends/IWorkload.hpp
@@ -29,7 +29,7 @@
 
     virtual void ExecuteAsync(WorkingMemDescriptor& desc) = 0;
 
-    virtual profiling::ProfilingGuid GetGuid() const = 0;
+    virtual arm::pipe::ProfilingGuid GetGuid() const = 0;
 
     // SupportsTensorHandleReplacement signals that a given workload is capable of
     // replacing any of its I/O tensors via ReplaceInput/OutputTensorHandle