Updating the UI for focused state of an icon/folder.

issue: 16352129

Change-Id: If2e154dba06a0648f933f9aea38898642db9fd85
diff --git a/res/layout/all_apps_button.xml b/res/layout/all_apps_button.xml
index 1b9ea08..9d6d82b 100644
--- a/res/layout/all_apps_button.xml
+++ b/res/layout/all_apps_button.xml
@@ -16,5 +16,4 @@
 
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
    style="@style/WorkspaceIcon"
-   android:focusable="true"
-   android:background="@drawable/focusable_view_bg" />
+   android:focusable="true" />