Merge "Make "stacked" target membership immutable" into tm-qpr-dev am: 5551f9d425

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/IntentResolver/+/20238586

Change-Id: Id88dd9d1c45aae3da7ed74fb2748a77eef289314
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>