am f4a7ac00: Merge "Move the Zygote off libcore.os and onto android.system."

import dalvik.system.ZygoteHooks;

import libcore.io.ErrnoException;

import libcore.io.Libcore;

import android.system.ErrnoException;

import android.system.Os;

/** @hide */

public final class Zygote {

    public static void execShell(String command) {

        String[] args = { "/system/bin/sh", "-c", command };

        try {

            Libcore.os.execv(args[0], args);

            Os.execv(args[0], args);

        } catch (ErrnoException e) {

            throw new RuntimeException(e);

        }

import android.os.Process;

import android.os.SELinux;

import android.os.SystemProperties;

import android.system.ErrnoException;

import android.system.Os;

import android.util.Log;

import dalvik.system.PathClassLoader;

import java.io.BufferedReader;

import java.io.PrintStream;

import java.nio.charset.StandardCharsets;

import java.util.ArrayList;

import libcore.io.ErrnoException;

import libcore.io.IoUtils;

import libcore.io.Libcore;

/**

 * A connection that can make spawn requests.

            }

            if (parsedArgs.runtimeInit && parsedArgs.invokeWith != null) {

                FileDescriptor[] pipeFds = Libcore.os.pipe();

                FileDescriptor[] pipeFds = Os.pipe();

                childPipeFd = pipeFds[1];

                serverPipeFd = pipeFds[0];

                ZygoteInit.setCloseOnExec(serverPipeFd, true);

import android.os.SystemClock;

import android.os.SystemProperties;

import android.os.Trace;

import android.system.Os;

import android.system.OsConstants;

import android.util.EventLog;

import android.util.Log;

import dalvik.system.VMRuntime;

import libcore.io.IoUtils;

import libcore.io.Libcore;

import libcore.io.OsConstants;

import java.io.BufferedReader;

import java.io.FileDescriptor;

        closeServerSocket();

        // set umask to 0077 so new files and directories will default to owner-only permissions.

        Libcore.os.umask(S_IRWXG | S_IRWXO);

        Os.umask(S_IRWXG | S_IRWXO);

        if (parsedArgs.niceName != null) {

            Process.setArgV0(parsedArgs.niceName);