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 am: a2433b2b

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



Change-Id: Ic14a38b155dea9da1afa215758ec62c34bfc8898
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>