Merge "Decrease overview degree threshold from 45 to 15 degrees." into tm-dev am: 7bd3e02e2f am: f764ccea03

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17838566

Change-Id: I1d1570f4bcf39b564a8d8e80e0454a70f16863e8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>