Let accessibility feature instructions scroll.

Change-Id: Ie0a9eae16e8bf2ea6033a9e5e4e2c149ab4859cc
JIRA:CYAN-1531
Merge "Let accessibility feature instructions scroll." into cm-10.1
Merge branch 'cm-10.1' of https://github.com/CyanogenMod/android_packages_apps_Settings into cm-10.1