Camera: Avoid using an uninitialized physical camera id

'mStreamMap' entries can be inserted by several versions
of HIDL API calls. If the fields are initialized by an
older version, then make sure that newer additions are
always initialized in the respective API method.

Bug: 73885805
Test:
adb shell
/data/nativetest64/VtsHalCameraProviderV2_4TargetTest/VtsHalCameraProviderV2_4TargetTest
--hal_service_instance=android.hardware.camera.provider@2.4::ICameraProvider/legacy/0

Change-Id: Ib5bd8f608da05f628c52d288c518cebbe964182b