Add uploaderUrl to StreamInfoItem

src/main/java/org/schabi/newpipe/extractor/stream/StreamInfoItem.java

@@ -33,7 +33,17 @@ public class StreamInfoItem extends InfoItem {
     public long view_count = -1;
     public long duration = -1;
 
+    private String uploaderUrl = null;
+
     public StreamInfoItem() {
         super(InfoType.STREAM);
     }
+
+    public void setUploaderUrl(String uploaderUrl) {
+        this.uploaderUrl = uploaderUrl;
+    }
+
+    public String getUploaderUrl() {
+        return uploaderUrl;
+    }
 }

src/main/java/org/schabi/newpipe/extractor/stream/StreamInfoItemCollector.java

@@ -72,6 +72,11 @@ public class StreamInfoItemCollector extends InfoItemCollector {
         } catch (Exception e) {
             addError(e);
         }
+        try {
+            resultItem.setUploaderUrl(extractor.getUploaderUrl());
+        } catch (Exception e) {
+            addError(e);
+        }
         return resultItem;
     }