[Rlog39] Remove unnecessary commitCurrentLogUnit() call

Change-Id: I1983095058d004476065328ad34bb9e325af7062

java/src/com/android/inputmethod/research/ResearchLogger.java

@@ -614,7 +614,6 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
     }
 
     private void startRecordingInternal() {
-        commitCurrentLogUnit();
         if (mUserRecordingLog != null) {
             mUserRecordingLog.abort();
         }