Revert "Update drop target button alignment across devices."

This reverts commit 27bfcaa651e392eb1b4e45cd97516abcc041ea36.

Reason for revert: b/232636570

Bug: 229789612
Bug: 231711806
Bug: 231706480
Bug: 232063941
Bug: 232283628
Change-Id: Ic83515173f4a64228a80f63d75db938243cbf625
5 files changed