Storage Content Validation - Assert Request and Response Headers for Decoder Tests (#49075)

* add checks for response headers

* fix linting

* refactor async, change messageDownloadRequestHeaders signatures

* fix methods with wrong method names

* refactor sync

* remove unnecessary helper in BlobTestBase

* reuse hasStructuredMessageDownloadRequestHeaders with List<HttpHeaders>

* remove unused imports

* apply copilot suggestions

* fix linting

* inline local variables

* remove try-finally, replace with @tempdir

* add checks for response headers

* add recording for downloadStreamWithResponseContentValidationRange

* readd recording

* rerecord recordings

Author: browndav-msft

sdk/storage/azure-storage-blob/assets.json

@@ -2,5 +2,5 @@
   "AssetsRepo": "Azure/azure-sdk-assets",
   "AssetsRepoPrefixPath": "java",
   "TagPrefix": "java/storage/azure-storage-blob",
-  "Tag": "java/storage/azure-storage-blob_7b98ab7c58"
+  "Tag": "java/storage/azure-storage-blob_021b9237c4"
 }