Rename and replace layer_bottom and layer_top icons with VectorDrawable

OsmAnd/res/drawable/ic_layer_bottom.xml

@@ -0,0 +1,16 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M6.2857,12L12,16L17.7143,12L22,15L12,22L2,15L6.2857,12Z"
+      android:fillColor="#727272"/>
+  <path
+      android:pathData="M3.7438,9L12,3.2207L20.2562,9L12,14.7793L3.7438,9Z"
+      android:strokeAlpha="0.5"
+      android:strokeWidth="2"
+      android:fillColor="#727272"
+      android:strokeColor="#727272"
+      android:fillAlpha="0.5"/>
+</vector>

OsmAnd/res/drawable/ic_layer_top.xml

@@ -0,0 +1,16 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M3.7438,15L12,9.2207L20.2562,15L12,20.7793L3.7438,15Z"
+      android:strokeAlpha="0.5"
+      android:strokeWidth="2"
+      android:fillColor="#727272"
+      android:strokeColor="#727272"
+      android:fillAlpha="0.5"/>
+  <path
+      android:pathData="M22,9L12,2L2,9L12,16L22,9Z"
+      android:fillColor="#727272"/>
+</vector>

OsmAnd/res/layout/fragment_mapillary_filters.xml

@@ -84,7 +84,7 @@
                 android:layout_alignParentLeft="true"
                 android:layout_alignParentStart="true"
                 android:layout_margin="16dp"
-                tools:src="@drawable/ic_layer_top_dark" />
+                tools:src="@drawable/ic_layer_top" />
 
             <Button
                 android:id="@+id/button_reload_tile"