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/PacketBuffer.cpp b/src/profiling/PacketBuffer.cpp
index 6010493..fa3e958 100644
--- a/src/profiling/PacketBuffer.cpp
+++ b/src/profiling/PacketBuffer.cpp
@@ -7,10 +7,10 @@
 
 #include <armnn/Exceptions.hpp>
 
-namespace armnn
+namespace arm
 {
 
-namespace profiling
+namespace pipe
 {
 
 PacketBuffer::PacketBuffer(unsigned int maxSize)
@@ -62,6 +62,6 @@
     m_MaxSize = 0;
 }
 
-} // namespace profiling
+} // namespace pipe
 
-} // namespace armnn
+} // namespace arm