Test: KHR-GLES31.core.layout_binding.sampler2D_layout_binding_texture_FragmentShader

Bug: angleproject:4106
Bug: angleproject:3089
Change-Id: Ia92ee172ae574e50bf1759583e46ffb54f348962
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2072871Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Courtney Goeltzenleuchter <courtneygo@google.com>