Merge "Refine getIndex and getType of InsetsSource" into udc-dev am: f34371cb am: 2067c59b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23127421



Change-Id: Iafeae0b0e4072f15d228e1e3a5a18be370c0e103
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>