Revert "Make selection end handle stick to selection at line end."

This reverts commit 7c263ddd582abacbbe9c71341a6ef4c704d12100.

Fixes: 35944608
Bug: 21305922
Test: Manual
Test: Updated CTS and core tests pass.
Change-Id: Ic840f8771c3d5850f4f6f44ea199b144cac740c0
6 files changed