Merge "Remove feature flags and use search config flags." into tm-qpr-dev am: 1c744c99

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20624019



Change-Id: I9bf3371ca4eb65c5dcec19466644fe8d1a9fbca4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>