Add falsing to QSTile long click

All touches are analyzed by the falsing manager. By
checking falsing for the QS tile long click gesture, we make sure
the gesture doesn't add a large penalty to the falsing algorithm
by getting counted as an accidental touch.

Test: atest QSTileImplTest
Bug: 288235975
Change-Id: Icee87c61488dd6b5f0b93a1d51d59d4d782817e0