[ROSP] Add StatusBarPopupChip

This change adds a composable popup chip that can display an icon
along with text provided by the `PopupChipModel`.

The `PopupChipModel` is also modified to include a `hoverIcon` and
`isToggled` field.

Test: Manual. See b/385352859  comment#2 for screenshot
Bug: b/385352859
Flag: com.android.systemui.status_bar_popup_chips
Change-Id: Iace963dd746daee9b0c286cf318e53ebd1365549