[YouTube] parse timestamps with >3 digits correctly (#775)

* [YouTube] parse timestamps with >3 digits correctly

Fixes TeamNewPipe/NewPipe#7530; check the
issue for details.

* Remove outdated comment

Author: triallax

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java

@@ -302,7 +302,7 @@ public long getLength() throws ParsingException {
     @Override
     public long getTimeStamp() throws ParsingException {
         final long timestamp =
-                getTimestampSeconds("((#|&|\\?)t=\\d{0,3}h?\\d{0,3}m?\\d{1,3}s?)");
+                getTimestampSeconds("((#|&|\\?)t=\\d*h?\\d*m?\\d+s?)");
 
         if (timestamp == -2) {
             // Regex for timestamp was not found

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

@@ -441,9 +441,9 @@ protected long getTimestampSeconds(String regexPattern) throws ParsingException
                 String minutesString = "";
                 String hoursString = "";
                 try {
-                    secondsString = Parser.matchGroup1("(\\d{1,3})s", timeStamp);
-                    minutesString = Parser.matchGroup1("(\\d{1,3})m", timeStamp);
-                    hoursString = Parser.matchGroup1("(\\d{1,3})h", timeStamp);
+                    secondsString = Parser.matchGroup1("(\\d+)s", timeStamp);
+                    minutesString = Parser.matchGroup1("(\\d+)m", timeStamp);
+                    hoursString = Parser.matchGroup1("(\\d+)h", timeStamp);
                 } catch (Exception e) {
                     //it could be that time is given in another method
                     if (secondsString.isEmpty() //if nothing was got,

extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/stream/YoutubeStreamExtractorDefaultTest.java

@@ -112,8 +112,8 @@ public void youtubeMusicPremiumContent() throws Exception {
 
     public static class DescriptionTestPewdiepie extends DefaultStreamExtractorTest {
         private static final String ID = "7PIMiDcwNvc";
-        private static final int TIMESTAMP = 17;
-        private static final String URL = BASE_URL + ID + "&t=" + TIMESTAMP;
+        private static final int TIMESTAMP = 7483;
+        private static final String URL = BASE_URL + ID + "&t=" + TIMESTAMP + "s";
         private static StreamExtractor extractor;
 
         @BeforeClass