Revert^4 "Add extension and agent for dumping internal jvmti plugin data."

This reverts commit a55e8b5c9827cc4dc4e7f7c7ee07ef1fdafc35e0.

Reason for revert: Fixed underlying issue causing libjdwp test
                   failure.
Test: ./test.py --host

Change-Id: Ibe831884192db42eb54b25364d31fa21f11fab26
8 files changed