Merge "Fix two dragging related bugs in Launcher home" into sc-v2-dev am: 81a3e6e7e7

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15795684

Change-Id: I9f2b816e80302396caa79c0516729abae3c5bdd6