abitidy: Add an anonymous type id renumbering strategy using first member am: 69680726ad am: a1bff3b74c

Original change: https://android-review.googlesource.com/c/platform/external/libabigail/+/2200428

Change-Id: I50f29ffd78650c37a6bd1ce474c9eda20384eed2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>