Fix an issue with bubbles overlapping the taskbar

Test: manual - have bubbles opened, rotate device
             => observe that bubbles don't overlap
Bug: 196857292
Change-Id: Ic108852e516e18441c265e8a03b0524c4b589b4f

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

@@ -628,8 +628,11 @@ public class BubbleController {
             mAddedToWindowManager = true;
             mBubbleData.getOverflow().initialize(this);
             mWindowManager.addView(mStackView, mWmLayoutParams);
-            // Position info is dependent on us being attached to a window
-            mBubblePositioner.update();
+            mStackView.setOnApplyWindowInsetsListener((view, windowInsets) -> {
+                mBubblePositioner.update();
+                mStackView.onDisplaySizeChanged();
+                return windowInsets;
+            });
         } catch (IllegalStateException e) {
             // This means the stack has already been added. This shouldn't happen...
             e.printStackTrace();

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

@@ -1315,6 +1315,7 @@ public class BubbleStackView extends FrameLayout
     @Override
     protected void onAttachedToWindow() {
         super.onAttachedToWindow();
+        mPositioner.update();
         getViewTreeObserver().addOnComputeInternalInsetsListener(this);
         getViewTreeObserver().addOnDrawListener(mSystemGestureExcludeUpdater);
     }