OpenJDK 8u121 verify: java.lang.reflect.Proxy

Updated change markers with more information.
Removed an unused field.
Commented upstream code in a few places rather
than deleting it.
Moved related Proxy generation code together to limit
the extent of the patch.

Bug: 35910877
Test: Build
Change-Id: I63f6bb61d9f2059ea3a14be2e41d18c7feec3e24
1 file changed