Exclude reflect/Proxy/NonPublicMethodTypeTest for OpenJ9 jdk26 (#6729)

Issue eclipse-openj9/openj9#22944

Signed-off-by: Peter Shipton <[email protected]>

Author: pshipton

openjdk/excludes/ProblemList_openjdk26-openj9.txt

@@ -89,6 +89,7 @@ java/lang/reflect/AccessibleObject/TrySetAccessibleTest.java https://github.com/
 java/lang/reflect/exeCallerAccessTest/CallerAccessTest.java https://github.com/eclipse-openj9/openj9/issues/14397 macosx-all
 java/lang/reflect/Nestmates/TestReflectionAPI.java https://github.com/adoptium/aqa-tests/issues/1297 generic-all
 java/lang/reflect/Proxy/ProxyLayerTest.java https://github.com/eclipse-openj9/openj9/issues/7775 generic-all
+java/lang/reflect/Proxy/NonPublicMethodTypeTest.java https://github.com/eclipse-openj9/openj9/issues/22944 generic-all
 java/lang/reflect/PublicMethods/PublicMethodsTest.java https://github.com/eclipse-openj9/openj9/issues/7897 generic-all
 java/lang/ScopedValue/ManyBindings.java https://github.com/eclipse-openj9/openj9/issues/21445 generic-all
 java/lang/ScopedValue/ManyBindings.java.ManyBindings https://github.com/eclipse-openj9/openj9/issues/21445 generic-all