make getInfo from Extractor public

In StreamInfo and CommentsInfo

Author: B0pol

extractor/src/main/java/org/schabi/newpipe/extractor/comments/CommentsInfo.java

@@ -25,7 +25,7 @@ public static CommentsInfo getInfo(StreamingService serviceByUrl, String url) th
         return getInfo(serviceByUrl.getCommentsExtractor(url));
     }
 
-    private static CommentsInfo getInfo(CommentsExtractor commentsExtractor) throws IOException, ExtractionException {
+    public static CommentsInfo getInfo(CommentsExtractor commentsExtractor) throws IOException, ExtractionException {
         // for services which do not have a comments extractor
         if (null == commentsExtractor) {
             return null;

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

@@ -64,7 +64,7 @@ public static StreamInfo getInfo(StreamingService service, String url) throws IO
         return getInfo(service.getStreamExtractor(url));
     }
 
-    private static StreamInfo getInfo(StreamExtractor extractor) throws ExtractionException, IOException {
+    public static StreamInfo getInfo(StreamExtractor extractor) throws ExtractionException, IOException {
         extractor.fetchPage();
         StreamInfo streamInfo;
         try {