Vulkan: Enable QCOM foveated rendering extensions Enable support for GL_QCOM_framebuffer_foveated and GL_QCOM_texture_foveated extensions if supportsFoveatedRendering is enabled. Bug: angleproject:8484 Change-Id: I141fe43404b3461c3a222081f435c2f8b3c7f3d3 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5347134 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Charlie Lao <cclao@google.com> Commit-Queue: mohan maiya <m.maiya@samsung.com>