fix(toolbar): Adjusting sibling elements on mobile landscape (#846)

Author: mikegleasonjr

packages/mdc-toolbar/mdc-toolbar.scss

@@ -188,6 +188,11 @@
 .mdc-toolbar-fixed-adjust {
   margin-top: $mdc-toolbar-row-height;
 
+  @media (max-width: $mdc-toolbar-mobile-landscape-width-breakpoint)
+    and (orientation: landscape) {
+    margin-top: $mdc-toolbar-mobile-landscape-row-height;
+  }
+
   @media (max-width: $mdc-toolbar-mobile-breakpoint) {
     margin-top: $mdc-toolbar-mobile-row-height;
   }