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

Merge "Update the split layout while density changed" into udc-dev am: c3662a31 am: 88be75e1 am: a16dbe2e

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



Change-Id: If2b6d36d5c179519b4d906ef0e7657dfdfdedffa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>