Fix slider padding

app/src/leanback/res/layout/dialog_subtitle.xml

@@ -29,6 +29,7 @@
         android:stepSize="1"
         android:valueFrom="14"
         android:valueTo="48"
+        app:labelBehavior="gone"
         app:thumbColor="@color/blue_500"
         app:tickVisible="false"
         app:trackColorActive="@color/blue_500"

app/src/mobile/res/layout/dialog_buffer.xml

@@ -4,9 +4,9 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:orientation="vertical"
-    android:paddingStart="24dp"
+    android:paddingStart="12dp"
     android:paddingTop="16dp"
-    android:paddingEnd="24dp">
+    android:paddingEnd="12dp">
 
     <com.google.android.material.slider.Slider
         android:id="@+id/slider"

app/src/mobile/res/layout/dialog_control.xml

@@ -19,6 +19,8 @@
         android:id="@+id/speed"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:layout_marginStart="-12dp"
+        android:layout_marginEnd="-12dp"
         android:stepSize="0.25"
         android:valueFrom="0.5"
         android:valueTo="5"

app/src/mobile/res/layout/dialog_subtitle.xml

@@ -4,9 +4,9 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:orientation="vertical"
-    android:paddingStart="24dp"
+    android:paddingStart="12dp"
     android:paddingTop="16dp"
-    android:paddingEnd="24dp">
+    android:paddingEnd="12dp">
 
     <com.google.android.material.slider.Slider
         android:id="@+id/slider"