1) Properly handle restores of settings elements that have been migrated
to the new global namespace
1) Back up and restore the new global settings namespace
3) Make sure to back up / restore the global entity
ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED
Bug 7249405
Change-Id: Ibfa9930ea4d0e16c7635697e8c631b155e4c0cb2