EGL_test: add 4 colorspace tests

EGLTest.EGLInvalidColorspaceAttribute
EGLTest.EGLUnsupportedColorspaceFormatCombo
EGLTest.EGLCreateWindowFailAndSucceed
EGLTest.EGLCreateWindowTwoColorspaces

Test: Manual testing of new test cases

Change-Id: Ie3ec355cebe6fd001af1d3008b4575cd2f209dc0
2 files changed