fix content padding lint check

Change-Id: I233c6f29f9d7dad56aab2fc7776fe0bbc11c1259

Author: alabiaga

samples/user-interface/live-updates/src/main/java/com/example/platform/ui/live_updates/LiveUpdateSample.kt

@@ -48,7 +48,7 @@ fun LiveUpdateSample() {
         Column(
             modifier = Modifier
                 .fillMaxSize()
-                .padding(10.dp, 100.dp),
+                .padding(contentPadding),
         ) {
             Text(stringResource( R.string.live_update_summary_text))
             Spacer(modifier = Modifier.height(4.dp))