CxxUtils: Reorder members of CachedValue.
Reorder the data members of CachedValue to put the flag second. Also force the flag to be a single byte. This can allow for better packing when this class is used in other classes.
Reorder the data members of CachedValue to put the flag second. Also force the flag to be a single byte. This can allow for better packing when this class is used in other classes.