replaced icafe with metadata extractor (#2546)

* replaced icafe with metadata extractor

* replaced icafe with metadata extractor

* removed icafe from gradle

* removed icafe from gradle

* Revert: travis commented code

* Use original content URI

* merged pr

* commit after merge

* modified unit tests

app/src/main/java/fr/free/nrw/commons/filepicker/UploadableFile.java

@@ -50,6 +50,10 @@ public class UploadableFile implements Parcelable {
         file = (File) in.readSerializable();
     }
 
+    public Uri getContentUri() {
+        return contentUri;
+    }
+
     public File getFile() {
         return file;
     }