Capture/Replay: Add LoadEGL() Add LoadEGL() to gen_restricted_traces.py. This is a pre-requisite to frame capture being able to generate EGL calls, which is required for multi-context support. Bug: angleproject:5878 Change-Id: I210035aecad42173626834588bae51019deaa076 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3078994 Commit-Queue: Tim Van Patten <timvp@google.com> Reviewed-by: Cody Northrop <cnorthrop@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>