IVGCVSW-5208 Wrap SampleDynamicBackend in own namespace

 * to prevent name clashes with armnn

Signed-off-by: Jan Eilers <jan.eilers@arm.com>
Change-Id: I10b394d47e58cec45bacd489938ee048b7c9776e
diff --git a/src/dynamic/sample/SampleTensorHandle.cpp b/src/dynamic/sample/SampleTensorHandle.cpp
index fb4eddc..c008618 100644
--- a/src/dynamic/sample/SampleTensorHandle.cpp
+++ b/src/dynamic/sample/SampleTensorHandle.cpp
@@ -5,23 +5,23 @@
 
 #include "SampleTensorHandle.hpp"
 
-namespace armnn
+namespace sdb // sample dynamic backend
 {
 
-SampleTensorHandle::SampleTensorHandle(const TensorInfo &tensorInfo,
+SampleTensorHandle::SampleTensorHandle(const armnn::TensorInfo &tensorInfo,
                                        std::shared_ptr<SampleMemoryManager> &memoryManager)
     : m_TensorInfo(tensorInfo),
       m_MemoryManager(memoryManager),
       m_Pool(nullptr),
       m_UnmanagedMemory(nullptr),
-      m_ImportFlags(static_cast<MemorySourceFlags>(MemorySource::Undefined)),
+      m_ImportFlags(static_cast<armnn::MemorySourceFlags>(armnn::MemorySource::Undefined)),
       m_Imported(false)
 {
 
 }
 
-SampleTensorHandle::SampleTensorHandle(const TensorInfo& tensorInfo,
-                                       MemorySourceFlags importFlags)
+SampleTensorHandle::SampleTensorHandle(const armnn::TensorInfo& tensorInfo,
+                                       armnn::MemorySourceFlags importFlags)
     : m_TensorInfo(tensorInfo),
       m_MemoryManager(nullptr),
       m_Pool(nullptr),
@@ -65,8 +65,9 @@
     }
     else
     {
-        throw InvalidArgumentException("SampleTensorHandle::Allocate Trying to allocate a SampleTensorHandle"
-                                       "that already has allocated memory.");
+        throw armnn::InvalidArgumentException("SampleTensorHandle::Allocate Trying to allocate a "
+                                              "SampleTensorHandle that already has allocated "
+                                              "memory.");
     }
 }
 
@@ -87,12 +88,12 @@
     }
 }
 
-bool SampleTensorHandle::Import(void* memory, MemorySource source)
+bool SampleTensorHandle::Import(void* memory, armnn::MemorySource source)
 {
 
-    if (m_ImportFlags & static_cast<MemorySourceFlags>(source))
+    if (m_ImportFlags & static_cast<armnn::MemorySourceFlags>(source))
     {
-        if (source == MemorySource::Malloc)
+        if (source == armnn::MemorySource::Malloc)
         {
             // Check memory alignment
             constexpr uintptr_t alignment = sizeof(size_t);
@@ -147,4 +148,4 @@
     memcpy(dest, src, m_TensorInfo.GetNumBytes());
 }
 
-}
+} // namespace sdb