update ldbc_driver to get new IteratorSplitter impl, and fix for flakey MetricsService test
Merge branch '2.0-maint' into 2.1-maint
disables remote JDBC piece of shouldValidateAllImplementationsUsingValidationParametersCreatedByEmbeddedCypherImplementation (temporary, until encoding bug resolved)
Merge branch '2.0-maint' into 2.1-maint