am c2725c2c: Merge "Class.forName(..., ..., null) fixes - Add test for Class.forName(..., ..., null) - Simplify VMStack.getClosestUserClassLoader based on new behavior of Class.forName(..., ..., null)"

* commit 'c2725c2c950b9372cd61d00accfc3c6bdab9e21c':
  Class.forName(..., ..., null) fixes - Add test for Class.forName(..., ..., null) - Simplify VMStack.getClosestUserClassLoader based on new behavior of Class.forName(..., ..., null)