platform_system_core/liblog/liblog.map.txt

LIBLOG {
  global:
    __android_log_assert;
    __android_log_print;
    __android_log_vprint;
    __android_log_write;
  local:
    *;
};

LIBLOG_M {
  global:
    __android_log_is_loggable;
};

LIBLOG_O {
  global:
    __android_log_is_loggable_len;
};