Check noopDraw() before prepareForDraw() To support drawing without a Program or PPO bound, ANGLE needs to check noopDraw() as early as possible to prevent accessing null pointers while attempting to draw. Bug: chromium:1079312 Test: gpu_swangle_passthrough_fuzzer Change-Id: I85d6cab923ce42d93fa93e1792f342ce3c5baa8d Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2197946 Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Tim Van Patten <timvp@google.com>