Move Gesture settings up one level.

Move System->Languages, input & gestures->Gestures to System->Gestures.

Change-Id: Ie81876208383f69ebf1a0465d76c760d7dd9d95d
Fix: 62276882
Test: make RunSettingsRoboTests
(cherry picked from commit 55ce7de7d06d9fd8ec153c4b6f5300fbe9349990)
14 files changed