Fix Slider catalog lint errors

PiperOrigin-RevId: 274231234

Author: cketcham

catalog/java/io/material/catalog/slider/res/layout/cat_slider_demo_continuous.xml

@@ -53,6 +53,7 @@
           android:layout_height="wrap_content"
           android:layout_weight="1"
           android:layout_marginLeft="@dimen/cat_slider_left_margin"
+          android:layout_marginStart="@dimen/cat_slider_left_margin"
           android:theme="@style/ThemeOverlay.PrimaryPalette.Red"
           android:valueFrom="0"
           android:valueTo="11" />
@@ -88,6 +89,7 @@
           android:layout_height="wrap_content"
           android:layout_weight="1"
           android:layout_marginLeft="@dimen/cat_slider_left_margin"
+          android:layout_marginStart="@dimen/cat_slider_left_margin"
           android:theme="@style/ThemeOverlay.PrimaryPalette.Orange"
           android:valueFrom="100"
           android:valueTo="1000" />
@@ -123,6 +125,7 @@
           android:layout_height="wrap_content"
           android:layout_weight="1"
           android:layout_marginLeft="@dimen/cat_slider_left_margin"
+          android:layout_marginStart="@dimen/cat_slider_left_margin"
           android:theme="@style/ThemeOverlay.PrimaryPalette.Purple"
           android:valueFrom="-5"
           android:valueTo="5" />

catalog/java/io/material/catalog/slider/res/layout/cat_slider_demo_discrete.xml

@@ -53,6 +53,7 @@
           android:layout_height="wrap_content"
           android:layout_weight="1"
           android:layout_marginLeft="@dimen/cat_slider_left_margin"
+          android:layout_marginStart="@dimen/cat_slider_left_margin"
           android:theme="@style/ThemeOverlay.PrimaryPalette.Red"
           android:valueFrom="0"
           android:valueTo="11"
@@ -84,6 +85,7 @@
           android:layout_height="wrap_content"
           android:layout_weight="1"
           android:layout_marginLeft="@dimen/cat_slider_left_margin"
+          android:layout_marginStart="@dimen/cat_slider_left_margin"
           android:theme="@style/ThemeOverlay.PrimaryPalette.Orange"
           android:valueFrom="100"
           android:valueTo="1000"
@@ -115,6 +117,7 @@
           android:layout_height="wrap_content"
           android:layout_weight="1"
           android:layout_marginLeft="@dimen/cat_slider_left_margin"
+          android:layout_marginStart="@dimen/cat_slider_left_margin"
           android:theme="@style/ThemeOverlay.PrimaryPalette.Purple"
           android:valueFrom="-5"
           android:valueTo="5"
@@ -146,6 +149,7 @@
           android:layout_height="wrap_content"
           android:layout_weight="1"
           android:layout_marginLeft="@dimen/cat_slider_left_margin"
+          android:layout_marginStart="@dimen/cat_slider_left_margin"
           android:theme="@style/ThemeOverlay.PrimaryPalette.Indigo"
           android:valueFrom="500"
           android:valueTo="50000"
@@ -177,6 +181,7 @@
           android:layout_height="wrap_content"
           android:layout_weight="1"
           android:layout_marginLeft="@dimen/cat_slider_left_margin"
+          android:layout_marginStart="@dimen/cat_slider_left_margin"
           android:theme="@style/ThemeOverlay.PrimaryPalette.Blue"
           android:valueFrom="0"
           android:valueTo="5.75"

catalog/java/io/material/catalog/slider/res/values/strings.xml

@@ -18,7 +18,6 @@
   <string name="cat_slider_title" description="Title for the screen that showcases demonstrative usages of the Slider widget">Slider</string>
   <string name="cat_slider_demo_continuous_title" description="Title for the continuous Slider widget demo">Continuous Slider demo</string>
   <string name="cat_slider_demo_discrete_title" description="Title for the discrete Slider widget demo">Discrete Slider demo</string>
-  <string name="cat_slider_demo_list_title" description="Header above the section that lists the demonstrations/examples available for the Slider widget">Demos</string>
 
   <string name="cat_slider_description" description="Body text describing the Slider widget within the design system [CHAR LIMIT=NONE]">
     Sliders let users select from a range of values by moving the slider thumb.