Implement EGL_EXT_surface_compression This patch adds implementation of EGL_EXT_surface_compression to ANGLE, including new API eglQuerySupportedCompressionRatesEXT and adding EGL_SURFACE_COMPRESSION_EXT in EGLQuerySurface and EGLCreateWindowSurface/EGLCreatePlatformWindowSurface. Angle end2end test is added to verify the extension. Bug: angleproject:375496226 Change-Id: I06926930d94485a378fc831d552cf55fe7938a57 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6073355 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Charlie Lao <cclao@google.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>