[Chipbar] Remove #setIcon from TemporaryViewDisplayController and put it

in MediaTttUtils instead.

Bug: 245610654
Test: Verified icon still displays correctly on sender and receiver
chips.
Test: media.taptotransfer tests
Test: temporarydislpay tests

Change-Id: Ibae88dbf0fcd171fbf0746cc05550e56f174b2dc