Merge "[Unfold transition] Increase spring stiffness" into tm-qpr-dev am: d51a509c am: 4fd6ad77

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20120481



Change-Id: I123b7da7bc503daaf41941a1708bc3b125e6aeda
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>