Revert "Remove support for moving GC collector transitions"

This reverts commit 66a655029c98de9492570f4cfd06476c0fde9cd1.

Bug: 78286368
Bug: 130236304

Reason for revert: Causes tombstones in AOSP walleye

Change-Id: I41c27d119f82490b68a01f85d92d22d0961d2af6
4 files changed