Merge "Add logging for Smart Space on Dream surface." into tm-dev am: 840168a5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17817085



Change-Id: I9c741ef0c9a9c9e47d097162dfdb53a4f8a3818e
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>