Merge "Cache decor insets for display switch" into udc-dev am: 95dff23f am: 2079a974

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22857217



Change-Id: I1a94f2e972429357649f81f17e9334f2d1fb3748
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>