- Introduce an API on MultiSelectManager for starting/ending range
selections.
- Navigation with the shift key pressed extends the current range
selection (or starts a new one, if one isn't in progress).
- Navigation without the shift key pressed will end the current range
selection.
BUG=27124371
Change-Id: Ieddf3ee816812bf5210463536fe63179ef1809ad
(cherry picked from commit 09792ef150)