Editor: Disable magnifier position animation

In my opinion, this animation serves no purpose because it doesn't
correspond to any animations in the text selection/handle flow, and is
barely noticeable in typical text selection cases. In addition, it makes
the magnifier feel slow/laggy when selecting a large block of text
quickly.

Change-Id: I5fed9fc06db4491dc2811815741830001d295030

core/java/android/widget/Editor.java

@@ -4667,7 +4667,7 @@ private MagnifierMotionAnimator(final Magnifier magnifier) {
          * animation is added to the jump.
          */
         private void show(final float x, final float y) {
-            final boolean startNewAnimation = mMagnifierIsShowing && y != mLastY;
+            final boolean startNewAnimation = false;
 
             if (startNewAnimation) {
                 if (mAnimator.isRunning()) {