[11u] RFR(M) 8245981: Upgrade to jQuery 3.5.1

[Lindenmaier, Goetz]

Hi,

please review this downport for parity with Oracle.
http://cr.openjdk.java.net/~goetz/wr20/8245981-jquery_3.5.1-jdk11/01

In 11, the update from jquery 3.3.1 to 3.4.1 is missing.
Therefore the change does not apply.
Also, a change renaming the /jquery/ directory is missing 
in 11, another deleting some useless files and finally one
minifying the script. 

So I basically crafted the change anew:
 * I renamed jquery-3.3.1.js to jquery-3.5.1.js and replaced
   it by the new file.
 * I updated all the files referencing the file with the version in the name.
 * In addition, I updated APITest.java because else these test are failing.
 * I replaced jquery.js by the new file (jquery.js was deleted in jdk/jdk).
 * I omitted the minified version as 8236823 is not in 11.

Our tests are all green.

Best regards,
  Goetz.

Here all the related changes:

https://bugs.openjdk.java.net/browse/JDK-8204666 : javadoc should be updated to use jQuery 3.3.1
https://bugs.openjdk.java.net/browse/JDK-8221644 : jquery directory should be renamed
https://bugs.openjdk.java.net/browse/JDK-8222548 : Upgrading JDK 13 with the latest available jQuery 3.4.1
https://bugs.openjdk.java.net/browse/JDK-8238167 : Remove stray files from jdk.javadoc
https://bugs.openjdk.java.net/browse/JDK-8236823 : Ensure that API documentation uses minified libraries
https://bugs.openjdk.java.net/browse/JDK-8245981 : Upgrade to jQuery 3.5.1