Merge "Add README with details about the status of support for this app" into main am: e5ed06e740

Original change: https://android-review.googlesource.com/c/platform/packages/apps/QuickSearchBox/+/3319834

Change-Id: I7a773bb50d7ab19ab1260ecad7f57414edd0d04a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>