[Android] Activate buttons when setPressed(true) is called by the OS

[j-piasecki]

Description

Updates the NativeViewGestureHandler hooks to allow direct access to the used handler.
Updates the button implementation on Android to use the new hook methods and move to ACTIVE state when the OS decides the button is pressed instead of waiting for move or up events.

This aligns native Android button behavior with other platforms.

With that change, it's possible to simplify the Touchable implementation not to rely on begin and finalize callbacks at all, since we can now assume that when a button is pressed, it's in the ACTIVE state.

Test plan

Verify existing Touchable examples.

[Copilot]

Pull request overview

Updates Android NativeViewGestureHandler/button integration so that when the OS marks a view as pressed (setPressed(true)), the associated gesture handler transitions to ACTIVE immediately. This brings Android button/touchable behavior closer to other platforms and allows Touchable to rely on activation/deactivation rather than begin/finalize timing.

Changes:

• Refactors Touchable to start press-in/long-press logic on onActivate and complete press handling in onDeactivate.
• Adds handler retention hooks to NativeViewGestureHandlerHook and invokes them from NativeViewGestureHandler prepare/reset.
• Updates Android button (RNGestureHandlerButtonViewManager) to activate the attached NativeViewGestureHandler when the view becomes pressed.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
packages/react-native-gesture-handler/src/v3/components/Touchable/Touchable.tsx	Moves press lifecycle handling to onActivate/onDeactivate to match Android’s earlier activation.
packages/react-native-gesture-handler/android/src/main/java/com/swmansion/gesturehandler/react/RNGestureHandlerButtonViewManager.kt	Captures the attached native handler and activates it when setPressed(true) occurs.
packages/react-native-gesture-handler/android/src/main/java/com/swmansion/gesturehandler/core/NativeViewGestureHandler.kt	Introduces hook attach/detach callbacks and calls them during handler prepare/reset.

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