Only do things if the window inset changed

Test: manual - expand the stack, select the overflow,
               collapse the stack
             => verify that there isn't a weird animation
Bug: 199781565
Change-Id: I408ae5e32a0f9f335fda6a6743134bc52e348d4e

libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/BubbleController.java

@@ -69,6 +69,7 @@ import android.util.SparseArray;
 import android.util.SparseSetArray;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.WindowInsets;
 import android.view.WindowManager;
 import android.window.WindowContainerTransaction;
 
@@ -189,6 +190,9 @@ public class BubbleController {
     /** Saved direction, used to detect layout direction changes @link #onConfigChanged}. */
     private int mLayoutDirection = View.LAYOUT_DIRECTION_UNDEFINED;
 
+    /** Saved insets, used to detect WindowInset changes. */
+    private WindowInsets mWindowInsets;
+
     private boolean mInflateSynchronously;
 
     /** True when user is in status bar unlock shade. */
@@ -629,8 +633,11 @@ public class BubbleController {
             mBubbleData.getOverflow().initialize(this);
             mWindowManager.addView(mStackView, mWmLayoutParams);
             mStackView.setOnApplyWindowInsetsListener((view, windowInsets) -> {
-                mBubblePositioner.update();
-                mStackView.onDisplaySizeChanged();
+                if (!windowInsets.equals(mWindowInsets)) {
+                    mWindowInsets = windowInsets;
+                    mBubblePositioner.update();
+                    mStackView.onDisplaySizeChanged();
+                }
                 return windowInsets;
             });
         } catch (IllegalStateException e) {