Save binding information when caching shader 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/+/2072871 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Courtney Goeltzenleuchter <courtneygo@google.com>