Develop HDFFV-11310 (#1811)

* Rework java vl check in read/write. Handle old refs in h5dump

* Committing clang-format changes

* Java changes allow default VL reads

* Fix JNI utility for old refs

* HDFFV-11310 - implement vlen read/write for atomic types.

* format check fix

* Mostly format fixes

* More format issues

* Two format changes

* Use JNI names for sizeof

* format change

* fix size typo

* Change to older method to initialize list

* remove unused var

* format fix

* switch writeVL functions to use datatype instead of java type

* Add VL option to generic read/write check

* Correct function name typo

* Add JIRA issue

* Correct note to match change in code.

* HDFFV-11318 add VL references as byte arrays

* Add release note and format changes

* Another format update

* Fix unreleased allocations

* Fix format

* format correction

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

java/test/testfiles/JUnit-TestH5R.txt

@@ -4,6 +4,8 @@ JUnit version 4.11
 .testH5Ropen_region_Nullref
 .testH5Requal_Nullref1
 .testH5Requal_Nullref2
+.testH5RVLdset_ref
+.testH5RVLattr_ref
 .testH5Rget_object
 .testH5Rget_obj_type3_Nullref
 .testH5Ropen_object_Nullref
@@ -24,5 +26,5 @@ JUnit version 4.11
 
 Time:  XXXX
 
-OK (22 tests)
+OK (24 tests)