Update new *.yml configurations to version 2

Author: mmuesly

java/java-ranger-regression/nanoxml_eqchk/nanoxml_prop1.yml

@@ -1,4 +1,4 @@
-format_version: "1.0"
+format_version: "2.0"
 input_files:
   - ../../common/
   - impl/
@@ -7,3 +7,5 @@ properties:
   - property_file: ../../properties/assert.prp
     expected_verdict: true
 
+options:
+  language: Java

java/java-ranger-regression/nanoxml_eqchk/nanoxml_prop2.yml

@@ -1,4 +1,4 @@
-format_version: "1.0"
+format_version: "2.0"
 input_files:
   - ../../common/
   - impl/
@@ -7,3 +7,5 @@ properties:
   - property_file: ../../properties/assert.prp
     expected_verdict: false
 
+options:
+  language: Java