abitidy: remove excess members if requested am: edc8f44d4f am: 1406186103

Original change: https://android-review.googlesource.com/c/platform/external/libabigail/+/2393799

Change-Id: I70b11e182122edb8ee4b96b9f5a1e350ad88a412
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>