Merge "Use hinge angle sensor based unfold animation by default" into sc-v2-dev am: 3dc9302627 am: afbfb843be

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15795547

Change-Id: I708133c2fa5d6234ea7295f495325f397c54a85a