fix Accessibility Settings FC

09-27 18:25:58.689 11037 11037 E AndroidRuntime: Caused by: java.lang.ArrayIndexOutOfBoundsException: length=4; index=4
09-27 18:25:58.689 11037 11037 E AndroidRuntime: 	at com.android.settings.accessibility.AccessibilitySettings.updateFontSizeSummary(AccessibilitySettings.java:748)
09-27 18:25:58.689 11037 11037 E AndroidRuntime: 	at com.android.settings.accessibility.AccessibilitySettings.updateSystemPreferences(AccessibilitySettings.java:694)

Change-Id: I4707a12e8550d4842834819748beeeea90224774
1 file changed