* Create a new libGLESv1_CM target.
* Merge all autogenerated extension entry points into one file.
* Allow creation of ES1 contexts.
BUG=angleproject:2306
Change-Id: I446258363a96a3c37d657089dd7c1cff0fa3cf78
Reviewed-on: https://chromium-review.googlesource.com/865718
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
