MD Settings: add <controlled-button>#endJustified to flip controlled by indicator position

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

Index: chrome/browser/resources/settings/controls/controlled_button.html
diff --git a/chrome/browser/resources/settings/controls/controlled_button.html b/chrome/browser/resources/settings/controls/controlled_button.html
index 650e3a42a14f29afc6f0bf494de36a2b9b31ad4d..d9df92a08e44fde4c755bc3dd8cb381125507e01 100644
--- a/chrome/browser/resources/settings/controls/controlled_button.html
+++ b/chrome/browser/resources/settings/controls/controlled_button.html
@@ -14,6 +14,7 @@
       :host {
         align-items: center;
         display: flex;
+        --justify-margin: 18px;
       }
 
       :host([controlled_]) {
@@ -23,11 +24,19 @@
       }
 
       cr-policy-pref-indicator {
-        -webkit-margin-start: var(--checkbox-spacing);
         /* Enable pointer events for the indicator so :hover works. Disable
          * clicks/taps via onIndicatorTap_ so outer on-tap doesn't trigger. */
         pointer-events: all;
       }
+
+      :host(:not([end-justified])) cr-policy-pref-indicator {
+        -webkit-margin-start: var(--justify-margin);
+      }
+
+      :host([end-justified]) cr-policy-pref-indicator {
+        -webkit-margin-end: var(--justify-margin);
+        order: -1;
+      }
     </style>
 
     <paper-button disabled="[[controlled_]]">