Merge "Add unlock animation for foldables" into tm-qpr-dev am: 0011ba7e am: bc13c4e4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21480177



Change-Id: I87dec73168eff29ca1de6723b4271fde4d87b84d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>