Add SeekBarPreference.getMax().

am: 648ddd5c83

Change-Id: I2ea54359e6c13b0626ed96da6c8924e70d3d95cb

src/com/android/settings/widget/SeekBarPreference.java

@@ -135,6 +135,10 @@ public class SeekBarPreference extends RestrictedPreference
         }
     }
 
+    public int getMax() {
+        return mMax;
+    }
+
     public void setProgress(int progress) {
         setProgress(progress, true);
     }