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/src/profiling/backends/BackendProfiling.cpp b/src/profiling/backends/BackendProfiling.cpp
index 135174b..6c0f9b1 100644
--- a/src/profiling/backends/BackendProfiling.cpp
+++ b/src/profiling/backends/BackendProfiling.cpp
@@ -6,10 +6,10 @@
 #include "BackendProfiling.hpp"
 #include "RegisterBackendCounters.hpp"
 
-namespace armnn
+namespace arm
 {
 
-namespace profiling
+namespace pipe
 {
 
 std::unique_ptr<IRegisterBackendCounters>
@@ -92,5 +92,6 @@
     return m_ProfilingService.IsProfilingEnabled();
 }
 
-}    // namespace profiling
-}    // namespace armnn
+}    // namespace pipe
+
+}    // namespace arm