Mouse Event API

[Haili-han]

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Is your feature request related to a problem? Please describe.
I have an android device with sevral displays, one of them is main display and the others are used to display app projection. Now I wander how can I operate the app projection dispaly like swipe, click, long click... ADB don not supply special parameters for the different screen but only supply different device.

Describe the solution you'd like
Scrcpy can assign different screen, and we can use mouse operate them, so I want to operate by code like cmd or other type api instead of mouse due to automation test

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Additional context
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