osi: explicitly release wakelock during turn off

Ensures we release the wakelock when turning off if any module hasn't stopped timers properly

Bug: 123289721
Test: atest net_test_bluetooth
Change-Id: Ibec5c262d2ec33ce22f2c8bb2a9b838e8d6b90a7

system/osi/src/wakelock.cc

@@ -213,6 +213,10 @@ static void wakelock_initialize_native(void) {
 }
 
 void wakelock_cleanup(void) {
+  if (wakelock_stats.is_acquired) {
+    LOG_ERROR(LOG_TAG, "%s releasing wake lock as part of cleanup", __func__);
+    wakelock_release();
+  }
   wake_lock_path.clear();
   wake_unlock_path.clear();
   initialized = PTHREAD_ONCE_INIT;