Fixing startStreaming for secondary java client.

When camera has been opened in shared mode and the java client
status changes to secondary, fix the issue of startStreaming API
throwing unsupported exception.

Flag: com.android.internal.camera.flags.camera_multi_client
Bug: 393479355
Test: Run CTS test SharedCameraTest
Change-Id: I583f821d98f199a644402b9dc75e4c899d08070c