Merge "Moves BcSmartspaceDataPlugin to SystemUI." into sc-dev am: a7078bf39b

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/13803173

Change-Id: Ica93d5748e0dd1c33b0e185de182ecb0ddaf5e4d