tree a9003b1952e98db0ec53dab673e00499e46bb6f7
parent cbdfc598fae13f5aa7f7263351872d160004fbe7
author Sunny Goyal <sunnygoyal@google.com> 1507321797 -0700
committer Sunny Goyal <sunnygoyal@google.com> 1508184412 -0700

Cleaning up drag state management.

When the drag is started, the UI automatically goes into spring loaded mode. On a successful
drop, it is the responsibility of the {@link DropTarget} to exit out of the spring loaded
mode. If the drop was cancelled for some reason, the UI will automatically exit out of this mode.

Bug: 34692289
Change-Id: Ic611739a43bb8d9279b587aaee3039326c143e8b