bug: work around permission issue when deleting images

ref: apache#679

src/android/CameraLauncher.java

@@ -51,6 +51,7 @@ Licensed to the Apache Software Foundation (ASF) under one
 import org.json.JSONArray;
 import org.json.JSONException;
 
+import java.lang.SecurityException;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileNotFoundException;
@@ -1239,7 +1240,11 @@ private void checkForDuplicateImage(int type) {
                 id--;
             }
             Uri uri = Uri.parse(contentStore + "/" + id);
-            this.cordova.getActivity().getContentResolver().delete(uri, null, null);
+            try {
+                this.cordova.getActivity().getContentResolver().delete(uri, null, null);
+            } catch (SecurityException e) {
+                LOG.d(LOG_TAG, "Swallowed error, probably caused by missing permissions, while trying to delete duplicate image.");
+            }
             cursor.close();
         }
     }