网上方法很多，最后总结一下比较靠谱的一个，到~/.meteor/android_bundle/ 目录下，
执行tools/android，手动下载 API 19 和 intel X86 Atom System image，build-tool 21,需要vpn
如果下载缓慢，可以手动下载，放在指定目录
meteor install-sdk android
https://github.com/meteor/meteor/wiki/Mobile-Dev-Install:-Android-on-Mac#haxm
meteor install-sdk android
✓ Found Android bundle
✓ A JDK is installed
✓ Found Android Platform tools
✓ Found Android Build Tools
✓ Found Android 19 API
✓ Found suitable Android x86 image
✓ 'meteor' android virtual device (AVD) found
✓ Android emulator acceleration is installed
http://venomvendor.blogspot.jp/2012/03/download-install-offline-platform-tools.html
* [build-tools_r19.1-macosx.zip](http://dl-ssl.google.com/android/repository/build-tools_r19.1-macosx.zip)
* [sysimg_x86-19_r02.zip](http://dl-ssl.google.com/android/repository/sys-img/x86/sysimg_x86-19_r02.zip)
http://dl-ssl.google.com/android/repository/build-tools_r21.0.1-macosx.zip