Make suggestion chip non-focusable to remove the background shadow

Test: manual
Bug: 146535667

Change-Id: I9d3289014d9ae542f4ebd46309530c6b80801892
diff --git a/services/autofill/java/com/android/server/autofill/ui/InlineSuggestionRoot.java b/services/autofill/java/com/android/server/autofill/ui/InlineSuggestionRoot.java
index 8d476d7..e813dae 100644
--- a/services/autofill/java/com/android/server/autofill/ui/InlineSuggestionRoot.java
+++ b/services/autofill/java/com/android/server/autofill/ui/InlineSuggestionRoot.java
@@ -48,6 +48,7 @@
         super(context);
         mOnErrorCallback = onErrorCallback;
         mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
+        setFocusable(false);
     }
 
     @Override