Use TimeUnit instead of DateUtils for readability

Bug: 9550800
Change-Id: I087205530a5dbcff4bf08f48f4aa7068aae93215

1 files changed, 4 insertions, 2 deletions

diff --git a/java/src/com/android/inputmethod/research/Statistics.java b/java/src/com/android/inputmethod/research/Statistics.java
index e573ca012..fd323a104 100644
--- a/java/src/com/android/inputmethod/research/Statistics.java
+++ b/java/src/com/android/inputmethod/research/Statistics.java
@@ -21,6 +21,8 @@ import android.util.Log;
 import com.android.inputmethod.latin.Constants;
 import com.android.inputmethod.latin.define.ProductionFlag;
 
+import java.util.concurrent.TimeUnit;
+
 public class Statistics {
     private static final String TAG = Statistics.class.getSimpleName();
     private static final boolean DEBUG = false
@@ -102,8 +104,8 @@ public class Statistics {
 
     // To account for the interruptions when the user's attention is directed elsewhere, times
     // longer than MIN_TYPING_INTERMISSION are not counted when estimating this statistic.
-    public static final int MIN_TYPING_INTERMISSION = 2 * 1000;  // in milliseconds
-    public static final int MIN_DELETION_INTERMISSION = 10 * 1000;  // in milliseconds
+    public static final long MIN_TYPING_INTERMISSION = TimeUnit.SECONDS.toMillis(2);
+    public static final long MIN_DELETION_INTERMISSION = TimeUnit.SECONDS.toMillis(10);
 
     // The last time that a tap was performed
     private long mLastTapTime;