Fall back to EGL_EXT_create_context_robustness

Fall back to EGL_EXT_create_context_robustness

When creating an ES context with robustness attributes, if EGL 1.5 is
not available, fall back to using EGL_EXT_create_context_robustness.

Affects:

KHR-GLES32.robust.robustness.noResetNotification
KHR-GLES32.robust.robustness.loseContextOnReset
KHR-GLES32.robust.robustness.getnuniform
KHR-GLES32.robust.robustness.readnpixels
KHR-GLES32.robust.robust_buffer_access_behavior.vertex_buffer_objects
KHR-GLES32.robust.robust_buffer_access_behavior.texel_fetch
KHR-GLES32.robust.robust_buffer_access_behavior.image_load_store
KHR-GLES32.robust.robust_buffer_access_behavior.storage_buffer
KHR-GLES32.robust.robust_buffer_access_behavior.uniform_buffer

Components: Framework

VK-GL-CTS issue: 331

Change-Id: Ib83dd872150e26f27acf729889afe99eedd90872