Merge "Update drop target button alignment across devices" into tm-dev am: 618047355d am: 15ca7e759b

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18557384

Change-Id: I1c7bb488bd2a164a6d3caf9a3f719b9e96e487cb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>