Autogenerate libGLESv2.cpp and .def Add generation of libGLESv2.cpp and libGLESv2.def to generate_entry_points.py Bug: angleproject:2476 Change-Id: I86c7fb31f73ccbbbc32b28acca179b11527dff9e Reviewed-on: https://chromium-review.googlesource.com/1040647 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>