Prevent clipping of SeekBar thumb

Bug: 63406092
Test: manual - purely a UI change
Change-Id: I1fbf7cba6d3c172a7e04de36a665dcf78b629f00
diff --git a/res/layout/preference_widget_seekbar_settings.xml b/res/layout/preference_widget_seekbar_settings.xml
index c25c598..fb1e9c8 100644
--- a/res/layout/preference_widget_seekbar_settings.xml
+++ b/res/layout/preference_widget_seekbar_settings.xml
@@ -58,6 +58,6 @@
         android:layout_alignParentEnd="true"
         android:layout_below="@android:id/summary"
         android:paddingStart="56dp"
-        android:paddingEnd="8dp" />
+        android:paddingEnd="12dp" />
 
 </RelativeLayout>