[RESTRICT AUTOMERGE] Add relative address to DeviceProductInfo.

This CL adds a field relativeAddress to DeviceProductInfo so it can
be surfaced in the framework. For HDMI connections the field is
populated with the physical address.

Bug: 147994746
Test: atest DisplayIdentificationTest
Change-Id: I2711407aa1be079df8086e233ee3f0cf90ba1741
4 files changed