Merge "Add support for rollback_index to android_filesystem module" into main am: 97d771ad

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/3017838



Change-Id: I7ff0286037dadd9d715cd881c761e0fa63616a0d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>