More refactor for JVMTI redefinition run tests (1/3)

Does as much as possible without making git get confused about the
provenance of files. Follow up CLs will move the files into the
appropriate places.

NOTE: BROKEN WITHOUT A FOLLOW-UP CL TO CHANGE FILE NAMES!

Bug: 32072923
Test: None
Change-Id: I1d66b42a5041d4ea1a0e8eaa61d55422a507e26f
94 files changed