SeekBarDialogPreference supports minValue and stepValue

Change-Id: I7aaeeb2db85103708747ae318610bd4896ef96fd
diff --git a/java/res/values/attrs.xml b/java/res/values/attrs.xml
index e10bdb1..c412635 100644
--- a/java/res/values/attrs.xml
+++ b/java/res/values/attrs.xml
@@ -435,5 +435,7 @@
     <declare-styleable name="SeekBarDialogPreference">
         <attr name="valueFormatText" format="reference" />
         <attr name="maxValue" format="integer" />
+        <attr name="minValue" format="integer" />
+        <attr name="stepValue" format="integer" />
     </declare-styleable>
 </resources>