FI-2523 Ignore Bulk Data Device resource

[yunwwang]

This fix GitHub Issue https://github.com/onc-healthit/onc-certification-g10-test-kit/issues/494

When tester specifies expected Device type code and Bulk Data validation ignore those lines/resources do not match the input Device type code.

Changes:

• Change return from nil to empty array so that the following loop does not fail.