Revert "a11y: disabling accessibility scrolling of the home screen"

This reverts commit 52b2b43c5676c43f2ef2cd928281f7d109d2cb76.

Reason for revert: Per an email thread, this CL is considered a hack.

Change-Id: Id97fc9a398184ba18c2188d858218bc2d9ddc16e
(cherry picked from commit 310093d0505570f0239e10bc10aa43686b668d70)
1 file changed