Migrate Widgets to new Search API am: 7c1e37cce1 am: 8d2bf10e3e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/13420066

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I9b0fdd6735b6d4ce69e49d0eb9ded0a03c4a0f43