Fix AudioRecordingConfiguration.anonymizedCopy method

Client port ID must not be anonymized as it is used by
AudioRecord class to filter out the corresponding
recording configuration.

Bug: 123312504
Bug: 131756086
Test: atest CtsMediaTestCases:AudioRecordTest#testAudioRecordInfoCallback
      atest CtsMediaTestCases:AudioRecordTest#testGetActiveRecordingConfiguration

Change-Id: I3e32395e9df107db76cfc940fecda8d066c05d97