Fix hotseat file log name formatting

Bug: 161001172
Test: Manual
Change-Id: Ia03eeb897003267ce608430c94b3b01876939234
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatFileLog.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatFileLog.java
index c15a596..20e1edc 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatFileLog.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatFileLog.java
@@ -71,10 +71,9 @@
     }
 
     private PrintWriter getWriter() {
-        String fName = FILE_NAME_PREFIX + (LOG_DAYS % 10);
-        if (fName.equals(mFileName)) return mCurrentWriter;
-
         Calendar cal = Calendar.getInstance();
+        String fName = FILE_NAME_PREFIX + (cal.get(Calendar.DAY_OF_YEAR) % 10);
+        if (fName.equals(mFileName)) return mCurrentWriter;
 
         boolean append = false;
         File logFile = new File(mLogsDir, fName);