Remove IwTest annotation. am: 8e2f266d am: 4864344d am: 6b135444 am: 300c08ab

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23716002



Change-Id: I5ac4a47323928194ecde5c617617d3d3a56bc624
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>