Revert "Update drop target button alignment across devices." am: b29dabce am: 6f6b3196

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18520765



Change-Id: I8fb1a0076d157db5eca5b0648874ef5f74969d4a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>