feat(android): height issue fixed with keyboard avoiding component in new architecture (#45928)

Summary:
Fixes this issue: https://github.com/facebook/react-native/issues/45880

## Changelog:

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[ANDROID] [CHANGED] - Message

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[ANDROID] [CHANGED] - Replaced `mLastHeight` with `mVisibleViewArea.height()` since mLastHeight value is not getting updated. For `width` we are already using `mVisibleViewArea.width()`

Pull Request resolved: https://github.com/facebook/react-native/pull/45928

Test Plan: - Tested the fix in new and old architecture both

Reviewed By: christophpurrer

Differential Revision: D61023998

Pulled By: cortinico

fbshipit-source-id: df67616330effb7b9e6724d94b3be92c0dbd6190

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactRootView.java

@@ -891,7 +891,7 @@ public class ReactRootView extends FrameLayout implements RootView, ReactRoot {
           sendEvent(
               "keyboardDidHide",
               createKeyboardEventPayload(
-                  PixelUtil.toDIPFromPixel(mLastHeight),
+                  PixelUtil.toDIPFromPixel(mVisibleViewArea.height()),
                   0,
                   PixelUtil.toDIPFromPixel(mVisibleViewArea.width()),
                   0));
@@ -940,7 +940,7 @@ public class ReactRootView extends FrameLayout implements RootView, ReactRoot {
         sendEvent(
             "keyboardDidHide",
             createKeyboardEventPayload(
-                PixelUtil.toDIPFromPixel(mLastHeight),
+                PixelUtil.toDIPFromPixel(mVisibleViewArea.height()),
                 0,
                 PixelUtil.toDIPFromPixel(mVisibleViewArea.width()),
                 0));