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

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



Change-Id: I4237c11614bf922b2d2dab078a22dbc2a1cba241
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>