Add data reporting for InteractionEvent Up and Unchanged

SinglePointerTouchProcessor now always reports touch data for the finger
on the sensor or the first pointer if outside.

Bug: 266856441
Test: atest
SystemUITests: com.android.systemui.biometrics.udfps.SinglePointerTouchProcessorTest
Change-Id: If2f2241d6a69a0261245dcb423e5ad06b97e3752
2 files changed