Relax uvwBits to 3 in dEQP-GLES2.functional.texture.filtering.cube
am: f1c8ff1f20

* commit 'f1c8ff1f204f50ae1c785ef361fb88cc7dc611ef':
  Relax uvwBits to 3 in dEQP-GLES2.functional.texture.filtering.cube