Merge "Update the split layout while density changed" into udc-dev am: c3662a31

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22120409



Change-Id: I95bb0c13331f1d64de9d9803f42c26bc5789e4b9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>