hg: jdk/jdk: 8207814: (proxy) upgrade the proxy class generator

[roger.riggs at oracle.com]

Changeset: 425412369353
Author:    rriggs
Date:      2019-08-21 16:19 -0400
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/425412369353

8207814: (proxy) upgrade the proxy class generator
Reviewed-by: mchung

! src/java.base/share/classes/java/lang/reflect/Method.java
! src/java.base/share/classes/java/lang/reflect/Proxy.java
! src/java.base/share/classes/java/lang/reflect/ProxyGenerator.java
+ src/java.base/share/classes/java/lang/reflect/ProxyGenerator_v49.java
+ test/jdk/java/lang/reflect/Proxy/ProxyGeneratorCombo.java
+ test/micro/org/openjdk/bench/java/lang/reflect/Proxy/ProxyBench.java
+ test/micro/org/openjdk/bench/java/lang/reflect/Proxy/ProxyPerf.java