Merge "Merge "[Unfold Animation] Expose hinge angle provider interface" into...

Merge "Merge "[Unfold Animation] Expose hinge angle provider interface" into tm-qpr-dev am: 91a76fbd am: 2ec94ab5" into udc-dev am: bc890bb1 am: 078f53a0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21547693



Change-Id: I91d0a91c0aeaffb29769808f6e8ab10e566a3097
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>