Use integer for loop counter instead of float

Change-Id: Iafaccbb3a3a7cbe0d67ed6827906d713c37ce89b

Author: kruton

core/java/android/view/VelocityTracker.java

@@ -190,7 +190,7 @@ public void computeCurrentVelocity(int units, float maxVelocity) {
             final long oldestTime = pastTime[oldestTouch];
             float accumX = 0;
             float accumY = 0;
-            float N = (lastTouch - oldestTouch + NUM_PAST) % NUM_PAST + 1;
+            int N = (lastTouch - oldestTouch + NUM_PAST) % NUM_PAST + 1;
             // Skip the last received event, since it is probably pretty noisy.
             if (N > 3) N--;