Code cleanup: recycle typed arrays when they are no longer needed

The border animator does not need the typed array anymore after initialization. recycling the object.

Flag: ENABLE_KEYBOARD_QUICK_SWITCH
Fixes: 282202504
Test: changed focus in quick switch view and overview
Change-Id: Iea9077e49e754894008899dfc9b90e3876b53051

quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchViewController.java

@@ -195,6 +195,9 @@ public class KeyboardQuickSwitchViewController {
                             // focus a less recent app or loop back to the opposite end
                             : ((mCurrentFocusIndex + 1) % taskCount));
 
+            if (mCurrentFocusIndex == toIndex) {
+                return true;
+            }
             mKeyboardQuickSwitchView.animateFocusMove(mCurrentFocusIndex, toIndex);
 
             return true;