Mac os android command not working

Original issue #3790

Hi, i come back again and i still have the same issue

tns info

✔ Getting NativeScript components versions information...
✔ Component nativescript has 5.4.2 version and is up to date.
✔ Component tns-core-modules has 5.4.2 version and is up to date.
✔ Component tns-android has 5.4.0 version and is up to date.
✔ Component tns-ios has 5.4.2 version and is up to date.

tns build android --log trace > out.txt

Trying to get macOS version.
Exec system_profiler SPSoftwareDataType -detailLevel mini 
 stdout: Software:

    System Software Overview:

      System Version: macOS 10.13.6 (17G65)
      Kernel Version: Darwin 17.7.0
      Time since boot: 3:11

 
 stderr: 
macOS version based on system_profiler is 10.13.
Error: Trying to handle SIGINT event. CLI overrides this behavior and does not allow handling SIGINT as this causes issues with Ctrl + C in terminal
    at process.on (/usr/local/lib/node_modules/nativescript/lib/nativescript-cli.js:22:22)
    at /usr/local/lib/node_modules/nativescript/node_modules/signal-exit/index.js:122:15
    at Array.filter (<anonymous>)
    at load (/usr/local/lib/node_modules/nativescript/node_modules/signal-exit/index.js:120:21)
    at module.exports (/usr/local/lib/node_modules/nativescript/node_modules/signal-exit/index.js:35:5)
    at Object.<anonymous> (/usr/local/lib/node_modules/nativescript/node_modules/proper-lockfile/lib/lockfile.js:296:1)
    at Module._compile (internal/modules/cjs/loader.js:776:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:787:10)
    at Module.load (internal/modules/cjs/loader.js:653:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
Looking for project in '/Users/imac/projects/nativescript/xxx'
Project directory is '/Users/imac/projects/nativescript/xxx'.
Loading extensions.
Asserting extension nativescript-cloud is installed.
Extension nativescript-cloud is installed.
Asserting extension nativescript-starter-kits is installed.
Extension nativescript-starter-kits is installed.

首先重现 issue 中的 tns build android --log trace，并查看所引用的 nativescript-cli.js 堆栈跟踪。跟踪该命令在加载 NativeScript 扩展后的执行过程，并确定 Android 构建为何没有继续进行；在报告的 macOS 设置上该命令成功完成即视为完成。