[vector] Fix the issue that java files are different from template

[Yang Zhang]

Hi all,

Could you please help to review this patch?

In this patch, I fix the issue that java files are different from template.
In gen_srch.sh, unused definition longOrDouble64 is removed too.

Webrev: http://cr.openjdk.java.net/~yzhang/vectorapi/vectorapi.clean/webrev.01/

Regards,
Yang