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: I49adc3e4433a1eb48f0138a2d01b7ceada72f68d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>