[Switch Access] Fix bug in equality check in group nodes

Relnotes: N/A
Bug: 1067811
Test: browser_tests --gtest_filter="*SwitchAccess*"
Change-Id: I68f8693716e0f16d4ed6f9b59dcab777a151a745
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2136406Reviewed-by: Anastasia Helfinstein <anastasi@google.com>
Commit-Queue: Anastasia Helfinstein <anastasi@google.com>
Cr-Commit-Position: refs/heads/master@{#756530}

AUTHORS

@@ -846,6 +846,7 @@ Sanjoy Pal <ncj674@motorola.com>
 Sanjoy Pal <sanjoy.pal@samsung.com>
 Sanne Wouda <sanne.wouda@gmail.com>
 Santosh Mahto <samahto@cisco.com>
+Sarah Jochum <smjochum@gmail.com>
 Sarath Singapati <s.singapati@gmail.com>
 Sarath Singapati <s.singapati@samsung.com>
 Sarath Singapati <sarath.singapati@huawei.com>

chrome/browser/resources/chromeos/accessibility/switch_access/nodes/group_node.js

@@ -72,7 +72,7 @@ class GroupNode extends SAChildNode {
       return false;
     }
     for (let i = 0; i < this.children_.length; i++) {
-      if (other.children_[i].equals(this.children_[i])) {
+      if (!other.children_[i].equals(this.children_[i])) {
         return false;
       }
     }