hg: jdk/sandbox: 8022795: Method.isVarargs of dynamic proxy generated method to match the proxy interface method

[chris.hegarty at oracle.com]

Changeset: 55670ad713a5
Author:    mchung
Date:      2020-08-04 10:26 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/55670ad713a5

8022795: Method.isVarargs of dynamic proxy generated method to match the proxy interface method
Reviewed-by: rriggs, darcy

! src/java.base/share/classes/java/lang/reflect/ProxyGenerator.java
+ test/jdk/java/lang/reflect/Proxy/TestVarArgs.java