EGL_CreateSync was calling into ValidateCreateSyncKHR
instead of ValidateCreateSync. This ended up returning
the incorrect enum for a negative test in deqp.

Bug: angleproject:2466
Test: angle_deqp_egl_no_gtest.exe --deqp-case=dEQP-EGL.functional.fence_sync.invalid.create_invalid_type
Change-Id: I476d533049c2499705b783293cb6bde311f48a65
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2226932
Commit-Queue: Mohan Maiya <m.maiya@samsung.com>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>