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

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



Change-Id: I61696c0dd05bfaf0faedaaa5064df562f565cf9a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>