[Android] FlyoutPage layout is not updated in Android split view

### Description

FlyoutPage layout is not recalculated when Android split view is used.
It also does not always work when device orientation changes.

### Steps to Reproduce

1. Create a FlyoutPage with SplitHorizontal
2. Run the app on Android
3. Switch to Split view via task manager and add another window
4. Resize the view - nothing changes and Split does not change to Popover

### Link to public reproduction project repository

https://github.com/VitalyKnyazev/FlyoutPageResize

### Version with bug

9.0.60 SR6

### Is this a regression from previous behavior?

Not sure, did not test other versions

### Last version that worked well

_No response_

### Affected platforms

Android

### Affected platform versions

_No response_

### Did you find any workaround?

No, MAUI code change is needed

### Relevant log output

```shell

```

Start by running the linked FlyoutPageResize reproduction on Android, using SplitHorizontal and resizing or rotating the device. Trace the Android FlyoutPage layout and split-view handling; done means the layout recalculates and Split changes to Popover when the available size changes.

Written by the indexing model from the issue text.