msim: Add missing changes from New Theme Engine [1/6]

    xmlns:systemui="http://schemas.android.com/apk/res/com.android.systemui"

    android:id="@+id/msim_status_bar"

    android:background="@drawable/system_bar_background"

    android:orientation="vertical"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:focusable="true"

    android:descendantFocusability="afterDescendants"

    android:fitsSystemWindows="true"