Addition of the entry points for EXT_shader_framebuffer_fetch_non_coherent extension. Bug: angleproject:5454 Change-Id: I2b8ba5141eed61a0c3ba58aeb2eec12a2071e7f1 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2590991 Commit-Queue: Mohan Maiya <m.maiya@samsung.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>
