abitidy: Add an anonymous type id renumbering strategy using first member am: 69680726ad am: a1bff3b74c am: 99084ec9be am: 34428b3e42

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

Change-Id: I53b1844115d418a8a36af173b970876975906e74
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>