Merge "Introduce the flags of the insets source" into udc-dev am: 370ab114

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22323947



Change-Id: I9b322ec646ce5ab3fcf1483455d7c6da748e3ea5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>