Merge "Revert "Revert "Use Unique lists instead of pointers in Packagin...""...

Merge "Revert "Revert "Use Unique lists instead of pointers in Packagin..."" into main am: 53be0023

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/3462816



Change-Id: I8cc4fcec1046925d01871915abdc99c92a732c21
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>