Merge "Update decor insets when the amount of insets source is changed" into udc-dev am: 8aede728

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23434716



Change-Id: Ic18d6da1655e5e290106a45266b62042fc80e7e5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>