Merge "Center unread count against unread count badge background." into ub-contactsdialer-a-dev

        android:background="@drawable/unread_count_background"

        android:layout_width="wrap_content"

        android:layout_height="@dimen/tab_unread_count_background_size"

        android:gravity="center"

        android:minWidth="@dimen/tab_unread_count_background_size"

        android:layout_marginStart="@dimen/tab_unread_count_margin_left"

        android:layout_marginTop="@dimen/tab_unread_count_margin_top"