Merge "Smartspace - Listen for SHOW_NOTIFICATIONS setting" into tm-dev am: 39630cfb am: 2fb716e8 am: e004c706 am: 7df5a0fb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18052137



Change-Id: I866a02dd38402d41c7cc4a5a323e1df379c78c40
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>