IVGCVSW-7168 Add Conv2d and Constant support to TOSA Reference Backend

 * Added TOSA Conv2d and Constant mappings.
 * Added unique naming to mappings based on previous and following
   layers, so they are connected correctly.
 * Updated existing mappings with new naming convention.
 * Added all mappings to one main block in OptimizeSubgraphView.
 * Removed isMain from mapping functions.
 * Added Conv2d EndToEnd test.

Signed-off-by: Matthew Sloyan <matthew.sloyan@arm.com>
Change-Id: I27c3e238407c32379ce25a1f01dad11523ef5d2b
diff --git a/src/backends/backendsCommon/test/CMakeLists.txt b/src/backends/backendsCommon/test/CMakeLists.txt
index c9668a2..d833caa 100644
--- a/src/backends/backendsCommon/test/CMakeLists.txt
+++ b/src/backends/backendsCommon/test/CMakeLists.txt
@@ -14,6 +14,7 @@
     ComparisonEndToEndTestImpl.hpp
     CompatibilityTests.cpp
     ConcatEndToEndTestImpl.hpp
+    Convolution2dEndToEndTestImpl.hpp
     Convolution3dEndToEndTestImpl.hpp
     CustomMemoryOptimizerStrategyTests.cpp
     DefaultAsyncExecuteTest.cpp