[ Merge of http://go/wvgerrit/145989 ]
The key_control_iv field is used with an encrypted KCB. With v17, the
KCB is in the clear and this field should have a length of 0. This
updates the tests to set the field correctly.
Bug: 224375138
Test: GtsMediaTestCases on sunfish
Change-Id: I2973bc064705557c878bb1fe943e5fde92977dcc
139310fd05