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

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

Change-Id: Id06fffc21a5d03cdf26ef4f8bcf08c42a88903ed
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>