Merge pull request #87 from aws-lumberyard-dev/mp_split_cmake

update the unified alias

Projects/OpenXRTest/Gem/CMakeLists.txt

@@ -60,6 +60,7 @@ ly_create_alias(NAME OpenXRTest.Builders NAMESPACE Gem TARGETS Gem::OpenXRTest)
 ly_create_alias(NAME OpenXRTest.Tools    NAMESPACE Gem TARGETS Gem::OpenXRTest)
 ly_create_alias(NAME OpenXRTest.Clients  NAMESPACE Gem TARGETS Gem::OpenXRTest)
 ly_create_alias(NAME OpenXRTest.Servers  NAMESPACE Gem TARGETS Gem::OpenXRTest)
+ly_create_alias(NAME OpenXRTest.Unified  NAMESPACE Gem TARGETS Gem::OpenXRTest)
 
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 # Gem dependencies