Merge "Disable smartspace transition on tablet." into tm-dev am: c648c3a7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18094468



Change-Id: Ie19f9c257ea8848c2ff099896bcd176bb1c1c635
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>