RFR: 8255035: Update BCEL to Version 6.5.0 [v2]

[Joe Wang]

> Update BCEL to the latest version (6.5.0). The majority of the changes were code refactoring (name format changes).
> 
> XML tests passed on both Linux and Windows.

Joe Wang has updated the pull request incrementally with one additional commit since the last revision:

  update MD file

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/3893/files
  - new: https://git.openjdk.java.net/jdk/pull/3893/files/033c3143..e6faa764

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=3893&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=3893&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3893.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3893/head:pull/3893

PR: https://git.openjdk.java.net/jdk/pull/3893