Add CTS_ARB_gl_spirv test implementation

Add CTS_ARB_gl_spirv test implementation that contains:
SpirvModulesPositiveTest,
SpirvModulesShaderBinaryMultipleShaderObjectsTest,
SpirvModulesStateQueriesTest,
SpirvModulesErrorVerificationTest,
SpirvGlslToSpirVEnableTest,
SpirvGlslToSpirVBuiltInFunctionsTest,
SpirvGlslToSpirVSpecializationConstantsTest,
SpirvValidationBuiltInVariableDecorationsTest

Affects:

KHR-GL45.gl_spirv.*

Components: Framework, OpenGL

VK-GL-CTS issue: 554

Change-Id: I0d54c70df619dbbd80b28350d2ac5e31aca08927
(cherry picked from commit a24448cdd72ffdbd8f7f571886625b8a53100979)