[automerge] Remove popup container drag listener on close complete. 2p: 8aa4b05d22

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/16943984

Bug: 217162588
Change-Id: Ifecc5533324e4669d7742a0ee75c4d57d5b868ca
Merged-In: I16515518c6d488b74450456306abbfff646ac11b