Use EVIOCSCLOCKID correctly.

Bug: 6382031
Change-Id: I87b0887ce867a79758bcd24e2202280270faaf8c
diff --git a/services/java/com/android/server/PowerManagerService.java b/services/java/com/android/server/PowerManagerService.java
index 5ec1fa5..5799f2b 100644
--- a/services/java/com/android/server/PowerManagerService.java
+++ b/services/java/com/android/server/PowerManagerService.java
@@ -2709,6 +2709,12 @@
     }
 
     private void goToSleepLocked(long time, int reason) {
+        if (mSpew) {
+            Exception ex = new Exception();
+            ex.fillInStackTrace();
+            Slog.d(TAG, "goToSleep mLastEventTime=" + mLastEventTime + " time=" + time
+                    + " reason=" + reason, ex);
+        }
 
         if (mLastEventTime <= time) {
             mLastEventTime = time;