Add expand/collapse functionality to progress items

The expanded state of the item needs to be tracked in the list managed
by the recycler view because that state needs to be preserved even after
view holders get recycled.

Bug: 400352342
Test: atest -c 'DocumentsUIGoogleTests:com.android.documentsui.JobPanelUiTest'
Flag: com.android.documentsui.flags.visual_signals_ro

Change-Id: Ie149346122862ba85589a7c003eb997b89704054