[automerger skipped] [DO NOT MERGE] Revert "Temporary flag for Launcher to...

[automerger skipped] [DO NOT MERGE] Revert "Temporary flag for Launcher to debug their usage of sandboxed display APIs" am: 608a6797 am: 4987d076 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16273554

Change-Id: Ibaf748fa942f36bf649ad2dc9f9478e9231052ad