base: periodic_logger: fix bad timer usage

Waiting on a `WaitContext` isn't enough, the timer must be ack'd. I
suspect this code has only been used on Windows, where the ack
technically isn't needed.

Change-Id: Ia53714a4f94f83310decf45888c9314e4631da5a
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/5825224
Reviewed-by: David Stevens <stevensd@chromium.org>
Commit-Queue: Frederick Mayle <fmayle@google.com>

base/src/periodic_logger.rs

@@ -112,6 +112,8 @@ impl PeriodicLogger {
                                 break 'outer;
                             }
                             Token::PeriodicLog => {
+                                timer.mark_waited().unwrap();
+
                                 let counter_map = cloned_counter.read().map_err(|e| {
                                     PeriodicLoggerError::ReadLockError(e.to_string())
                                 })?;