Add dep to ...broadcastradio@common-utils-2x-tests

Required now because iterators use the base hidl_vec constructor.

It's not expected this type of change would be needed in any places.
This test originally came with the introduction of the constructor
that created the hidl_vec.

Bug: 131356202
Test: build only, links (note b/130918604)
Change-Id: Ide3cb13b6afd79489c208af2396e7c02b7da436e
Merged-In: Ide3cb13b6afd79489c208af2396e7c02b7da436e