97c1c2c302bae76a6f32aa13b21e34a6b4875a3e
The touch mapper was a relic of a time when the pointer IDs had to be less than 16. Not respecting the touch phase is getting in the way of clients that fake their own touches. Turns out the AppDelegate also like to fake touches to simulate status bar events. Now, except in cases where there is a specific override in place, the UI touch phase is respected.
Remove touch mapper and respect the UITouch phase when calculating the pointer data change type. (flutter/engine#6430)
Description
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