Merge "Duplicate file descriptor when dumping asynchronously." into nyc-dev

        @Override

        public void dumpDbInfo(final FileDescriptor fd, final String[] args) {

            if (mSystemThread) {

                // Ensure this invocation is asynchronous to prevent

                // writer waiting due to buffer cannot be consumed.

                // Ensure this invocation is asynchronous to prevent writer waiting if buffer cannot

                // be consumed. But it must duplicate the file descriptor first, since caller might

                // be closing it.

                final ParcelFileDescriptor dup;

                try {

                    dup = ParcelFileDescriptor.dup(fd);

                } catch (IOException e) {

                    Log.w(TAG, "Could not dup FD " + fd.getInt$());

                    return;

                }

                AsyncTask.THREAD_POOL_EXECUTOR.execute(new Runnable() {

                    @Override

                    public void run() {

                        dumpDatabaseInfo(fd, args);

                        dumpDatabaseInfo(dup.getFileDescriptor(), args);

                        IoUtils.closeQuietly(dup);

                    }

                });

            } else {