Change offsets in MultiDrawElements* entrypoints to match glMultiDrawElements This patch changes arguments for MultiDrawElements and MultiDrawElementsInstanced from from GLsizei *offsets to const* GLvoid* indices. Bug: chromium:890539 Change-Id: I2124cf2daeaa6af0f889f3c46aa2b8c77be200a6 Reviewed-on: https://chromium-review.googlesource.com/c/1352591 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Kai Ninomiya <kainino@chromium.org> Commit-Queue: Austin Eng <enga@chromium.org>