message: Fix documentation for setting __ANDROID_TYPES_FULL__
  The previous command using --define does not cause the c++ macro
  __ANDROID_TYPES_FULL__ to get defined.
diff: @@ -473,7 +473,7 @@ struct ApproximateEqual<CPUDevice, T> {
  #if defined(__ANDROID_TYPES_SLIM__)
  // Note that __ANDROID_TYPES_SLIM__ is also checked in the cwise_ops*.cc files.
  // Normally Android TensorFlow is built with a reduced number of types (float).
  -// Override on the command-line "--define ANDROID_TYPES=__ANDROID_TYPES_FULL__"
  +// Override on the command-line using "--copt=-D__ANDROID_TYPES_FULL__"
  // to generate a library with full type support with a consequent increase in
  // code size.
  #define REGISTER2(OP, D, N, F, T0, T1) REGISTER(OP, D, N, F, T0)
  