Fix format for slider attrs

PiperOrigin-RevId: 275560132

Author: cketcham

lib/java/com/google/android/material/slider/res-public/values/public.xml

@@ -26,8 +26,8 @@
   <public name="inactiveTickColor" type="attr" />
   <public name="labelColor" type="attr" />
   <public name="floatingLabel" type="attr" />
-  <public name="thumbRadius" format="dimension" />
-  <public name="thumbElevation" format="dimension" />
-  <public name="haloRadius" format="dimension" />
+  <public name="thumbRadius" format="attr" />
+  <public name="thumbElevation" format="attr" />
+  <public name="haloRadius" format="attr" />
   <public name="Widget.MaterialComponents.Slider" type="style"/>
 </resources>