Merge "Do not load/release back gesture ML model after every device fold/unfold." into tm-qpr-dev am: 3fa0c1ffb3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20666993

Change-Id: I227f6b836d135b1acb9c55cf6f04b7c4f17e01ad
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>