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: 415ca03d am: 8eefd16c

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



Change-Id: I2b22c0d9dfd4339fc13184b8e8e69a886048f1b8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>