Fix bugs in mallocz logging in which the non-resident bytes on the metadata arena were counted as physical memory and weren't counted as virtual memory.
Fix bugs in mallocz logging in which the non-resident bytes on the metadata arena were counted as physical memory and weren't counted as virtual memory.

PiperOrigin-RevId: 428839338
Change-Id: I76d919eb18ba1580e5166aa07ac444e311be3b16

google/tcmalloc,google/tcmalloc,google/tcmalloc