Separate out AttributeValueEncoder/Decoder test boilerplate helper logic into separate library (#35678)

* Split out read/write support for data model provider testing

* Remove one more unused file that got moved

* Undo submodule update

---------

Co-authored-by: Andrei Litvin <andreilitvin@google.com>

Author: andy31415

src/app/codegen-data-model-provider/tests/AttributeReportIBEncodeDecode.h

@@ -22,8 +22,6 @@ source_set("ember_extra_files") {
     # data-model access and ember-compatibility (we share the same buffer)
     "${chip_root}/src/app/util/ember-global-attribute-access-interface.cpp",
     "${chip_root}/src/app/util/ember-io-storage.cpp",
-    "AttributeReportIBEncodeDecode.cpp",
-    "AttributeReportIBEncodeDecode.h",
     "EmberInvokeOverride.cpp",
     "EmberInvokeOverride.h",
     "EmberReadWriteOverride.cpp",
@@ -32,6 +30,7 @@ source_set("ember_extra_files") {
   ]
 
   public_deps = [
+    "${chip_root}/src/app/data-model-provider/tests:encode-decode",
     "${chip_root}/src/app/util/mock:mock_ember",
     "${chip_root}/src/protocols",
   ]