Make Settings Slider Slices one row

To unify all Settings slices into one row, we change
Settings Slider from user a header and a input range to
only using an Input Range.

Change-Id: I61715a45b29b6a52a47711811e5c6b2c83d50901
Fixes: 80430118
Test: robotests

src/com/android/settings/slices/SliceBuilderUtils.java

@@ -287,11 +287,10 @@ public class SliceBuilderUtils {
 
         return new ListBuilder(context, sliceData.getUri(), ListBuilder.INFINITY)
                 .setAccentColor(color)
-                .setHeader(builder -> builder
+                .addInputRange(builder -> builder
                         .setTitle(sliceData.getTitle())
                         .setSubtitle(subtitleText)
-                        .setPrimaryAction(primaryAction))
-                .addInputRange(builder -> builder
+                        .setPrimaryAction(primaryAction)
                         .setMax(sliderController.getMaxSteps())
                         .setValue(sliderController.getSliderPosition())
                         .setInputAction(actionIntent))