Stop handling events immediately when click tolerance is exceeded

src/ol/interaction/Draw.js

@@ -423,6 +423,9 @@ Draw.prototype.handlePointerMove_ = function(event) {
     this.shouldHandle_ = this.freehand_ ?
       squaredDistance > this.squaredClickTolerance_ :
       squaredDistance <= this.squaredClickTolerance_;
+    if (!this.shouldHandle_) {
+      return true;
+    }
   }
 
   if (this.finishCoordinate_) {

test/spec/ol/interaction/draw.test.js

@@ -339,7 +339,6 @@ describe('ol.interaction.Draw', function() {
       simulateEvent('pointermove', 20, 30);
 
       // freehand
-      simulateEvent('pointerdown', 20, 30, true);
       simulateEvent('pointermove', 20, 30, true);
       simulateEvent('pointerdrag', 20, 30, true);
       simulateEvent('pointermove', 30, 40, true);