Arrows do not rotate after spinner_arrow_drawable is set

[chenqinggang001]

Please complete the following information:

• Library Version 1.2.7
• Affected Device(s) [all]

<com.skydoves.powerspinner.PowerSpinnerView
                        android:id="@+id/device_type_spinner"
                        android:layout_width="match_parent"
                        android:layout_height="37dp"
                        android:layout_marginTop="10dp"
                        android:background="@drawable/spinner_background"
                        android:gravity="start|center"
                        android:paddingHorizontal="15dp"
                        app:spinner_arrow_gravity="end"
                        app:spinner_arrow_padding="8dp"
                        app:spinner_popup_max_height="250dp"
                        app:spinner_divider_show="true"
                        app:spinner_divider_size="0.4dp"
                        app:spinner_item_height="46dp"
                        app:spinner_divider_color="@color/text_off"
                        app:spinner_arrow_drawable="@drawable/ic_spinner_end"
                        app:spinner_arrow_animate="true"
                        app:spinner_popup_animation="dropdown"
                        app:spinner_popup_background="@drawable/spinner_background"
                        app:spinner_popup_elevation="14dp" />