Vulkan: Expose EGL_ANDROID_front_buffer_auto_refresh Original CL implemented the functionality without exposing the corresponding extension. This CL exposes the extension on Android and adds necessary validation. Bug: angleproject:42265697 Change-Id: Ia01c68f04c41a850e531aa7b889de9e561f3a9db Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6035186 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Yuxin Hu <yuxinhu@google.com> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>