Do not log chunk request body

Author: abelgardep

owncloudComLibrary/src/main/java/com/owncloud/android/lib/common/network/FileRequestBody.java

@@ -53,6 +53,11 @@ public FileRequestBody(File file, MediaType contentType) {
         mContentType = contentType;
     }
 
+    @Override
+    public boolean isOneShot() {
+        return true;
+    }
+
     @Override
     public MediaType contentType() {
         return mContentType;