Merge "Disable smartspace transition on tablet." into tm-dev am: c648c3a7 am: 413ad84f am: ca89d140

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



Change-Id: Ic0f3cea6decd9648445233a88a79f4247a7d8678
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>