Move graphics pipeline related code to their own files

This is just refactoring work. No logic change.

Affects:

dEQP-VK.spirv_assembly.*

Component: Vulkan

Change-Id: If0585dc6e62c415fd04e3bd39f5e0ca9659a267d
diff --git a/AndroidGen.mk b/AndroidGen.mk
index 9d13e52..9ef1d04 100644
--- a/AndroidGen.mk
+++ b/AndroidGen.mk
@@ -196,6 +196,7 @@
 	external/vulkancts/modules/vulkan/sparse_resources/vktSparseResourcesTestsUtil.cpp \
 	external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmComputeShaderCase.cpp \
 	external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmComputeShaderTestUtil.cpp \
+	external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmGraphicsShaderTestUtil.cpp \
 	external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmInstructionTests.cpp \
 	external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmTests.cpp \
 	external/vulkancts/modules/vulkan/ssbo/vktSSBOLayoutCase.cpp \