Merge ""Revert "Temporarily exclude Launcher from sandboxing; to be reverted once""" into tm-dev am: 6d4b050f am: e2d86fda am: e2bcacca am: 5e548c42

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17471384



Change-Id: Ib75b85af75610e405986a6f7ae3337f38060f4e3
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>