uiautomationcore: Add support for advising providers of events being added/removed.
[Advice] means code that is inserted at certain points to modify behavior of functions (similar to hooks). I suggest keeping the vocabulary consistent with https://learn.microsoft.com/en-us/windows/win32/api/uiautomationcore/nn-uiau...:
uiautomationcore: Add support for *notifying* providers of events being added/removed.
[Advice]: https://en.wikipedia.org/wiki/Advice_(programming)