Renaming the following test names:
- testDragAppIconToWorkspaceCell to testDragAppIconToMultipleWorkspaceCells
- testDragShortcutToMultipleWoCells to testDragShortcutToMultipleWorkspaceCells
Bug: 298234173
Test: atest OopTaplDragTest
Change-Id: I16707e0a882164c7a5acec6a4197bd0bea8514a7