Remove duplicate session ID in metrics dump.

[ Merge of http://go/wvgerrit/174932 ]

Bug: 281794097
Test: adb shell dumpsys android.hardware.drm.IDrmFactory/widevine -m
Change-Id: Id29e1c4298ed5b86453f22012cfccc2cb5ee7d05

libwvdrmengine/src/wv_metrics.cpp

@@ -586,7 +586,6 @@ void FormatSessionMetricsItem(const WvCdmMetrics_SessionMetrics& metrics,
     os << " null  # [" << item_index << "]\n";
   }
 
-  FORMAT_OPTIONAL_VALUE(session_id, indent);
   FORMAT_OPTIONAL_CRYPTO_METRICS(crypto_metrics, indent);
   FORMAT_OPTIONAL_VALUE(cdm_session_life_span_ms, indent);
   FORMAT_REPEATED_DISTRIBUTION(cdm_session_renew_key_time_us, indent);