Enable predictive back gesture for Settings app. am: 76516bbd

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/19697762



Change-Id: I9b782ec75a470bb90568e6a4c2be3f4067f556d0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>