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/IPacketBuffer.hpp b/src/profiling/IPacketBuffer.hpp
index 15687a8..02c40e4 100644
--- a/src/profiling/IPacketBuffer.hpp
+++ b/src/profiling/IPacketBuffer.hpp
@@ -7,10 +7,10 @@
 
 #include <memory>
 
-namespace armnn
+namespace arm
 {
 
-namespace profiling
+namespace pipe
 {
 
 class IReadOnlyPacketBuffer // interface used by the read thread
@@ -43,6 +43,6 @@
 
 using IPacketBufferPtr = std::unique_ptr<IPacketBuffer>;
 
-} // namespace profiling
+} // namespace pipe
 
-} // namespace armnn
+} // namespace arm