Add logging for glanceable hub touch handling

Adds a new CommunalTouchLog buffer and a bunch of touch handling logs
so that we can diagnose touch handling bugs more easily from
bugreports.

Bug: 361091641
Test: N/A, verified logs are correct on device
Flag: com.android.systemui.communal_hub
Change-Id: Ie1c18e92dd82588623a2d55021aed99a459c5d0a