stats_log_api_gen: Minor printf format fix

We use "%zu" for a size_t argumet.

Test: TreeHugger
Bug: 126134616
Change-Id: I02916829dfb71a63f78eda0d45129b4dc0732a82
Merged-In: I02916829dfb71a63f78eda0d45129b4dc0732a82
(cherry picked from commit e46b442c9412d62ac2ab5640350aaa8b013168e7)
1 file changed
tree: fb8eb9cfe093188be5b1637ef5828645e1598bf9
  1. stats/