Merge "Foldable rotation settings: persist postures instead of device states" into tm-qpr-dev am: 16685036c7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21798659

Change-Id: I1da8aec2141580dc99c3d05d4644e4fede487884
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>