Merge "Modify the default start position of app bubbles on tablet" into udc-qpr-dev am: 43650f1a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24503523



Change-Id: I327271582fdc8738a0b983bab4d943b61a51947a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>