[Android] Add a Platform Specific to allow disable js execution on the WebView

[jsuarezruiz]

Description of Change

Introduced a Platform-Specific that provides the ability to disable JavaScript execution within the Android WebView.

This change is part of an ongoing .NET MAUI threat modeling initiative aimed at identifying potential security risks and implementing proactive improvements to enhance application safety. This changes provides flexibility to enforce strict security policies based on app requirements.

[Copilot]

Pull Request Overview

Adds a new Android-specific API to enable or disable JavaScript execution in WebView, supporting a security-hardening initiative.

• Defines a bindable JavaScriptEnabled property and fluent extensions on Android platform configuration.
• Hooks up handler mapping (MapJavaScriptEnabled) and runtime platform extension (UpdateJavaScriptEnabled).
• Updates PublicAPI listings for the newly added methods and properties, and adds a sample toggle in the WebView gallery.

Reviewed Changes

Copilot reviewed 12 out of 12 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/Controls/src/Core/WebView/WebView.Mapper.cs	Registered the JavaScriptEnabled mapping on the handler
src/Controls/src/Core/WebView/WebView.Android.cs	Added MapJavaScriptEnabled method for Android handlers
src/Controls/src/Core/PlatformConfiguration/AndroidSpecific/WebView.cs	Introduced JavaScriptEnabledProperty and related APIs
src/Controls/src/Core/Platform/Android/Extensions/WebViewExtensions.cs	Implemented UpdateJavaScriptEnabled to toggle settings
src/Controls/src/Core/PublicAPI/**/PublicAPI.Unshipped.txt	Exposed new Android-specific API signatures for JS control
src/Controls/samples/Controls.Sample/Pages/Controls/WebViewGalleries/WebViewGallery.xaml(.cs)	Sample UI and event handler for toggling JavaScriptEnabled

Comments suppressed due to low confidence (1)

src/Controls/src/Core/PlatformConfiguration/AndroidSpecific/WebView.cs:119

• No automated tests have been added for the new JavaScriptEnabled Android platform-specific property; please add relevant UI tests in TestCases.HostApp and shared tests in TestCases.Shared.Tests to cover this behavior.

public static readonly BindableProperty JavaScriptEnabledProperty = BindableProperty.Create("JavaScriptEnabled", typeof(bool), typeof(FormsElement), true);

[rmarinho]

Seems theres a issue on the sample code.
Is it possible to add a test?

[jsuarezruiz]

Seems theres a issue on the sample code. Is it possible to add a test?

Added a test, could you review it again?