Add click behavior to the storage item preferences.

This currently imitates the previous implementation behavior.
The new mocks have a new intermediate view for some of these
behaviors, but this view isn't ready yet.
This patch should bring parity for the click functionality
for the storage line item preferences.

Bug: 33199077
Test: Settings Robo Tests

Change-Id: I4f654d30add92e4eec721c36b2801f9af9824e78