Add ability for SpannedGrids to provide row and column for each item

This fixes a bug with QS where rows wouldn't be calculated properly for the bounce effect

Flag: com.android.systemui.qs_ui_refactor_compose_fragment
Test: manually
Test: SpannedGridScreenshotTest
Fixes: 379309901
Change-Id: I3f8956467fe09696c5308b684632a8a57733670b