Merge "Fixes ITEM_TYPE_SEARCH_ACTION to have a unique value." into tm-qpr-dev am: 7798fb6e30

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20125070

Change-Id: I2211801f0614ff5339994261cc2cb308f00ecece
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>