Match argument order in cpp file

We swap the 2nd and 3rd arguments to the CallocEntry constructor
to match the order in the cpp file, and match the C calloc convention.

We also fix an invocation of this constructor.

Change-Id: Iebe16d82a74459e5e957c1d9e2cc1aebb15150d0
Test: TreeHugger
diff --git a/libc/malloc_debug/RecordData.h b/libc/malloc_debug/RecordData.h
index 484d73b..a02c956 100644
--- a/libc/malloc_debug/RecordData.h
+++ b/libc/malloc_debug/RecordData.h
@@ -109,7 +109,7 @@
 
 class CallocEntry : public MallocEntry {
  public:
-  CallocEntry(void* pointer, size_t size, size_t nmemb, uint64_t st, uint64_t et);
+  CallocEntry(void* pointer, size_t nmemb, size_t size, uint64_t st, uint64_t et);
   virtual ~CallocEntry() = default;
 
   bool Write(int fd) const override;