testing logger instrumentation changes

[tonyredondo]

This PR changes the testing logger instrumentation with a simpler implementation with the following important changes.

• No locking/mutex.
• No storing patch uintptr in a map (this could throw segmentation fault with an invalid ptr when the GC is executing).
• No Patch and Unpatch in every call (there was a corner case with a race condition that could cause some log events not being catched at all). Now we only patch/unpatch at the beginning and the end.
• Remove dynamic method creation with reflection.
• Fixes the methodBody variadic call.

This implementation should avoid any segmentation fault related with logging.