Merge "TaskOverlayFactoryGo: Keep persistent instance of AssistContentRequester" into sc-dev am: b7cecf8a90 am: 05e828c896

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14803962

Change-Id: I3a545ebbe2180959170a4a6f041f1b250e076d52