Merge "Defer onIsStashedChanged() until all controllers are initialized am:...

Merge "Defer onIsStashedChanged() until all controllers are initialized am: aed0c4d7 am: cc10db04" into tm-d1-dev-plus-aosp am: dcb554c3

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17921731



Change-Id: I7b2b216de36d0bf0930df8fedaece701549e5d3f
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>