MD Settings: Fix Change Picture Camera icons.

chrome/browser/resources/settings/people_page/camera.html

Index: chrome/browser/resources/settings/people_page/camera.html
diff --git a/chrome/browser/resources/settings/people_page/camera.html b/chrome/browser/resources/settings/people_page/camera.html
index 606662ac0f9be2cfdabebca28bd6be75175a6e71..1d0de4ad6162637d740164a875b964664816abb1 100644
--- a/chrome/browser/resources/settings/people_page/camera.html
+++ b/chrome/browser/resources/settings/people_page/camera.html
@@ -49,7 +49,7 @@
       }
 
       #flipPhoto {
-        color: white;
+        --iron-icon-fill-color: white;
         float: right;
       }
 
@@ -58,9 +58,9 @@
       }
 
       #takePhoto {
+        --iron-icon-fill-color: white;
         background-color: var(--paper-green-500);
         border-radius: 50%;
-        color: white;
         display: block;
         margin: 0 auto 0 auto;
       }