Merge ""Revert "Temporarily exclude Launcher from sandboxing; to be reverted...

Merge ""Revert "Temporarily exclude Launcher from sandboxing; to be reverted once""" into tm-dev am: 6d4b050f am: e2d86fda am: 9d757b5b

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



Change-Id: I057c185d5133cbf8fb210b21b4fe263e9e06e0b0
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>