Change your code to this and see if it's fixed:
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
tools:context="com.brainbox.dropnotelitealpha.app.MainActivity" >
<item
android:id="@+id/action_settings"
android:title="@string/action_settings"
android:orderInCategory="1"
android:showAsAction="ifRoom"/>
<item android:id="@+id/action_logout"
android:title="Logout"
android:orderInCategory="2"
android:showAsAction="ifRoom" />
</menu>