Merge "Move fold state listener registration from constructor to start()" into...

Merge "Move fold state listener registration from constructor to start()" into tm-qpr-dev am: 0900d054

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20923348



Change-Id: I0e424b8aa4b719c84dd0d0bb5a7713ea4bb4367c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>