Disable TestVectorTest before bitstream freeze.
Disable TestVectorTest before bitstream freeze.

The pending CL https://aomedia-review.googlesource.com/c/aom/+/59842
will change the bitstream. Need to disable TestVectorTest and regenerate
the test vectors.

Change-Id: I4f8edf7dcf98b66eb2ebcd078d4b715400067823

GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom