Merge "Revert "Temporary flag for Launcher to debug their usage of sandboxed...

Merge "Revert "Temporary flag for Launcher to debug their usage of sandboxed display APIs"" into tm-dev am: 6fbe7b20 am: e130f22d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17587083



Change-Id: Ib6fe6c8ace53a6b098d180b1b29d935f70603c21
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>