Merge "Cache decor insets for display switch" into udc-dev am: 95dff23f am: e694f2f9

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



Change-Id: Ic7b5ad6140d1390ad151e2b024f01704003061bb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>