Disable CreateGrallocDirectChannel test

We've created another bug b/405985963 to track the VNDK improvement.

Bug: 405985963
Bug: 399394166
Test: ran VTS and this test isn't included
Flag: EXEMPT test fix
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:389f0b34d5f97dce3a49bcb1d74f9076b412184e)
Merged-In: Ia67dc900297b3c52eb0dcc8e0dcc4f811d9fc070
Change-Id: Ia67dc900297b3c52eb0dcc8e0dcc4f811d9fc070