Update documentation for keyboard events on Android

facebook/react-native@1e48274 fixed keyboard events on Android 11+ when an activity has set `android:windowSoftInputMode` to `adjustNothing`. Update the documentation to reflect the change.

docs/keyboard.md

@@ -170,7 +170,7 @@ This can be any of the following:
 - `keyboardWillChangeFrame`
 - `keyboardDidChangeFrame`
 
-> Note that if you set `android:windowSoftInputMode` to `adjustResize` or `adjustPan`, only `keyboardDidShow` and `keyboardDidHide` events will be available on Android. If you set `android:windowSoftInputMode` to `adjustNothing`, no events will be available on Android. `keyboardWillShow` as well as `keyboardWillHide` are generally not available on Android since there is no native corresponding event.
+> Note that only `keyboardDidShow` and `keyboardDidHide` events are available on Android. The events will not be fired when using Android 10 and under if your activity has `android:windowSoftInputMode` set to `adjustNothing`.
 
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