MD Settings: push controlled indicators totally to the right

chrome/browser/resources/settings/controls/controlled_radio_button.html

Index: chrome/browser/resources/settings/controls/controlled_radio_button.html
diff --git a/chrome/browser/resources/settings/controls/controlled_radio_button.html b/chrome/browser/resources/settings/controls/controlled_radio_button.html
index 13c6a47673e26f2e653153c7ea27cd666b58efdf..b96b8fba10a052ddc915994059b2c090846daf6b 100644
--- a/chrome/browser/resources/settings/controls/controlled_radio_button.html
+++ b/chrome/browser/resources/settings/controls/controlled_radio_button.html
@@ -14,6 +14,10 @@
         outline: none;
       }
 
+      #radioButton {
+        flex: 1;
+      }
+
       :host([controlled_]) {
         /* Disable pointer events for this whole element, as outer on-tap gets
          * triggered when clicking/tapping anywhere in :host. */