When handling DIRTY_BIT_DRAW_FRAMEBUFFER_BINDING in syncState(), the
call to update the front face was missing, so culling could be enabled
for the wrong front faces.

Bug: angleproject:3237
Test: Verify 3D apps render (more) correctly
Test: New SimpleStateChangeTest end2end tests
Change-Id: I1d94a977bea9e48d90b5346861e5565d2371cadd
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1611753
Commit-Queue: Tim Van Patten <timvp@google.com>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>