Add test to check EGL_KHR_platform_android Add an end2end test to check that eglGetPlatformDisplayEXT can use EGL_PLATFORM_ANDROID_KHR to get display. Also, to follow the spec, ValidateGetPlatformDisplayCommon should set EGL_BAD_PARAMETER for unsupported platform. Bug: angleproject:404581995 Change-Id: I20a962adb2dab4434141417b11c959924aff1597 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6369995 Reviewed-by: Cody Northrop <cnorthrop@google.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>