[android] - style image accessor

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java

@@ -473,6 +473,10 @@ public final class MapboxMap {
     nativeMapView.removeImage(name);
   }
 
+  public Bitmap getImage(@NonNull String name) {
+    return nativeMapView.getImage(name);
+  }
+
   //
   // MinZoom
   //

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/NativeMapView.java

@@ -808,6 +808,13 @@ final class NativeMapView {
     nativeRemoveImage(name);
   }
 
+  public Bitmap getImage(String name) {
+    if (isDestroyedOn("getImage")) {
+      return null;
+    }
+    return nativeGetImage(name);
+  }
+
   // Feature querying
 
   @NonNull
@@ -1078,6 +1085,8 @@ final class NativeMapView {
 
   private native void nativeRemoveImage(String name);
 
+  private native Bitmap nativeGetImage(String name);
+
   private native void nativeUpdatePolygon(long polygonId, Polygon polygon);
 
   private native void nativeUpdatePolyline(long polylineId, Polyline polyline);