RFR: 8309979: BootstrapMethods attribute is missing in class files recreated by SA [v3]

[Ashutosh Mehra]

> Please review this PR that extends SA to write BootstrapMethods attribute when dumping the class files.
> 
> Tested it by dumping the class file for java/lang/String and comparing the BootstrapMethods attribute shown by javap for the original and the dumped class.

Ashutosh Mehra has updated the pull request incrementally with one additional commit since the last revision:

  Add comment about the layout of operands array in constant pool
  
  Signed-off-by: Ashutosh Mehra <asmehra at redhat.com>

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Changes:
  - all: https://git.openjdk.org/jdk/pull/14495/files
  - new: https://git.openjdk.org/jdk/pull/14495/files/3a7ad373..4cb63978

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=14495&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=14495&range=01-02

  Stats: 15 lines in 1 file changed: 15 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/14495.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14495/head:pull/14495

PR: https://git.openjdk.org/jdk/pull/14495