Merge "Add delay when updating configuration for half-fold letterboxing" into tm-qpr-dev am: 2e18872e am: 1b64a8fb am: 4707e8f3 am: f4bea183

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21988882



Change-Id: I95c2fabdaf51bc4b6ca58e0421cc632bf991fd84
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>