Camera: Fix physical camera metadata accounting for MRIR

If a MRIR (MultiResolutionImageReader) is requested
together with a physical stream, the accounting
of expected physical camera metadata needs to consider the case
where the physical camera Id of the requested physical stream
matches the activePhysicalCameraId.

Flag: EXEMPT bugfix
Bug: 435162253
Test: vendor testing and Camera CTS
Change-Id: I6b214540e4394f950f20e094884178720d729637