Fix 4x4 hybrid transform accuracy check tests
Fix 4x4 hybrid transform accuracy check tests

- Adjust the accuracy value and fix,
  C/Trans4x4HT.AccuracyCheck/5,6,7 as CONFIG_AOM_HIGHBITDEPTH = 1.

Change-Id: I2f8d97b2e2c1ee45bfae613657ca01b5666d76ee

GrokImageCompression/aom,luctrudeau/aom,smarter/aom,GrokImageCompression/aom,smarter/aom,luctrudeau/aom,GrokImageCompression/aom,GrokImageCompression/aom,luctrudeau/aom,smarter/aom,luctrudeau/aom,smarter/aom,GrokImageCompression/aom,smarter/aom,GrokImageCompression/aom,luctrudeau/aom,luctrudeau/aom,smarter/aom