ryanlwlin 1f913ea0dc Fix Hard to detect multi-finger multi-tap
The double-tap/touch slope is from system's double-tap detector.
This threshold is too narrow for multi-finger multi-tap. It ends up
canceling the detection when the movement exceed the slope.

We adjust the slopes by multiplying the target finger count.
The maxium slope in 4 fingers is around 4.48 mm is smaller than
the swipe threshold (1 cm)
Bug: 158725482
Test: atest GestureManifoldTest
atest TouchExplorerTest
atest AccessibilityGestureDetectorTest

Change-Id: If0927d15d61a9682da67721d0bf0bbbc1045078b
2020-06-22 11:24:17 +08:00
2020-01-22 14:00:14 -08:00
2020-04-27 11:53:12 -06:00
2019-02-11 14:29:27 -08:00
2019-08-09 09:24:40 -07:00
2019-10-09 19:38:32 +00:00
2020-04-17 18:16:43 +01:00
2020-02-19 19:36:25 -08:00
…
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