[android] Fixed review notes

android/res/drawable/speed_cams_bg.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
   <item android:drawable="@drawable/dark_red" android:state_activated="true"/>
-  <item android:drawable="@drawable/transparent_bg"/>
+  <item android:drawable="@drawable/bg_transparent"/>
 </selector>

android/res/layout/layout_nav_bottom_numbers.xml

@@ -40,7 +40,7 @@
       <!-- Speed -->
       <TextView
         android:id="@+id/speed_dimen"
-        android:layout_below="@+id/speed_value"
+        android:layout_below="@id/speed_value"
         android:layout_centerHorizontal="true"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"

android/src/com/mapswithme/maps/routing/NavigationController.java

@@ -73,6 +73,7 @@ public class NavigationController implements TrafficManager.TrafficCallback, Vie
 
   @NonNull
   private final SearchWheel mSearchWheel;
+  @NonNull
   private final View mSpeedViewContainer;
 
   private boolean mShowTimeLeft = true;