System property java.vm.vendor value includes quotation marks

FULL PRODUCT VERSION :
java version "10" 2018-03-20
Java(TM) SE Runtime Environment 18.3 (build 10+46)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10+46, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [Version 6.1.7601]

A DESCRIPTION OF THE PROBLEM :
The value for the system property java.vm.vendor includes quotation marks.

REGRESSION. Last worked in version 9.0.4

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
public class VendorTest
{
   public static void main( String[] args )
   {
      System.out.println( System.getProperty( "java.vm.vendor" ) );
   }
}


EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Output:
Oracle Corporation
ACTUAL -
Output:
"Oracle Corporation"

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
public class VendorTest
{
   public static void main( String[] args )
   {
      System.out.println( System.getProperty( "java.vm.vendor" ) );
   }
}

---------- END SOURCE ----------