Translator: Support GL_ARM_shader_framebuffer_fetch_depth_stencil Bug: angleproject:352364582 Change-Id: I46ce6d75a76bdf04a9e8feea1a480e8a0badba2a Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5924140 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Auto-Submit: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Yuxin Hu <yuxinhu@google.com> Reviewed-by: Charlie Lao <cclao@google.com>