Fix compilation issue when LMKD_LOG_STATS is defined.

Note: The breakage was caused by http://ag/3621623

Test: mmma system/core/lmkd/
Change-Id: I17033aeedb3183d4777dacb89ec84430ff061b3c
Bug: 74443701
(cherry picked from commit fb25ddd9c9004de9a9ebb1175a6ceaf7aeec0673)
2 files changed