Settings: Simplified Chinese Translations

Patch Set 2: Added recent changes to lockscreen patterns.

Patch Set 3: Reorganize strings.

Patch Set 4: Reorganize strings, attempt #2.

Patch Set 5: Added translations for navigation bar shortcuts.

Patch Set 6: Added QuickSettings volume tile translations.

Patch Set 7: Reorganize strings (Again).

Patch Set 8: Some modifications for the sake of consistency.

Change-Id: I121996d5d213e0bb9fae2d1f0ebee07f380d02bf