aidl/vts: Remove DisplayIdentification dependency

VtsHalGraphicsComposer3_ReadbackTest includes DisplayIdentification but
doesn't really use it.

Remove the dependency so DisplayIdentification can be moved back to SF.

Bug: 415035569
Flag: EXEMPT refactor
Test: mmma -j hardware/interfaces/graphics/composer/aidl/vts builds
Change-Id: Ifc6be3339f28ddaa4ccb84a2a06f0a4ffa63dbde
1 file changed