Small cleanup for CPUCache::MaxCapacity(): move comment to declaration and make the function const. Also fix an error in a comment in the function.
Small cleanup for CPUCache::MaxCapacity(): move comment to declaration and make the function const. Also fix an error in a comment in the function.

PiperOrigin-RevId: 416573388
Change-Id: I4c8a3ce167035a46ca949ae3e84abb5bf9d63c60

google/tcmalloc,google/tcmalloc,google/tcmalloc