Implement files preview on pick mode specific action

1. Add preview icon and show on specific action state such as
   ACTION_OPEN, ACTION_GET_CONTENT and ACTION_OPEN_TREE.
   if file is not enabled, the icon will be hidden.
2. Fix list item background color bug on tablet in night mode.
3. Ensure sort UI update after restoreRootAndDirectory.
4. Hide "Summary" column in tablet list mode because it seems not
   display any content.
   TODO: Delete "Summary" related code if ensure it not work.

Bug: 112470012
Bug: 120961136
Test: manual
Test: atest DocumentsUITests
Change-Id: Id07848ed17933b2938e300d50503afeb1df8c902