Merge "NativeHandle.java: dup() with O_CLOEXEC"

package android.os;

import static android.system.OsConstants.F_DUPFD_CLOEXEC;

import android.annotation.NonNull;

import android.annotation.SystemApi;

import android.system.ErrnoException;

        FileDescriptor[] fds = new FileDescriptor[mFds.length];

        try {

            for (int i = 0; i < mFds.length; i++) {

                fds[i] = Os.dup(mFds[i]);

                FileDescriptor newFd = new FileDescriptor();

                int fdint = Os.fcntlInt(mFds[i], F_DUPFD_CLOEXEC, 0);

                newFd.setInt$(fdint);

                fds[i] = newFd;

            }

        } catch (ErrnoException e) {

            e.rethrowAsIOException();