Add left right arrows to calendar

app/src/main/res/drawable/ic_keyboard_arrow_left_white_24dp.xml

+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M15.41,16.09l-4.58,-4.59 4.58,-4.59L14,5.5l-6,6 6,6z"/>
+</vector>

app/src/main/res/drawable/ic_keyboard_arrow_right_white_24dp.xml

+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M8.59,16.34l4.58,-4.59 -4.58,-4.59L10,5.75l6,6 -6,6z"/>
+</vector>

app/src/main/res/layout/fragment_calendar.xml

@@ -31,8 +31,8 @@
                     app:mcv_showOtherDates="all"
                     app:mcv_selectionColor="@color/colorPrimary"
                     app:mcv_headerTextAppearance="@style/MatCalendarHeader"
-                    app:mcv_leftArrow="@color/primaryTextColor"
-                    app:mcv_rightArrow="@color/primaryTextColor"
+                    app:mcv_leftArrow="@drawable/ic_keyboard_arrow_left_white_24dp"
+                    app:mcv_rightArrow="@drawable/ic_keyboard_arrow_right_white_24dp"
                     app:mcv_dateTextAppearance="@style/CalendarDateAppearance"
                     android:padding="5dp" />