Remove inclusion of ArmNN.hpp where it is unnecessary.

Signed-off-by: Matthew Bentham <Matthew.Bentham@arm.com>
Change-Id: Idb583f8de4470eefb47c90189cd3c90e74e0440a
diff --git a/src/backends/backendsCommon/test/EndToEndTestImpl.hpp b/src/backends/backendsCommon/test/EndToEndTestImpl.hpp
index 4b9bf7a..358f4e3 100644
--- a/src/backends/backendsCommon/test/EndToEndTestImpl.hpp
+++ b/src/backends/backendsCommon/test/EndToEndTestImpl.hpp
@@ -4,8 +4,9 @@
 //
 #pragma once
 
-#include <armnn/ArmNN.hpp>
+#include <armnn/Descriptors.hpp>
 #include <armnn/INetwork.hpp>
+#include <armnn/IRuntime.hpp>
 
 #include <Profiling.hpp>
 #include <QuantizeHelper.hpp>