Revert "InputReader: Clear the multi-touch state when the device is reset"

This reverts commit f8d9e440.

Reason for revert: b/316593362

Test: atest inputflinger_tests
Bug: b/316593362
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:4bb0bd5eb22f87c7c39a982bc4a7e6826f224383)
Merged-In: Idfbf2091febba12c0e92a39bedb56b1058b85047
Change-Id: Idfbf2091febba12c0e92a39bedb56b1058b85047