ns migrate (to 8) failing at Android step

Environment
Provide version numbers for the following components (information can be retrieved by running tns info in your project folder or by inspecting the package.json of the project):

• CLI: 8.0.2
• Cross-platform modules:
• Android Runtime: 7.0.1
• iOS Runtime: 6.5.4
• XCode Version: 12.5.1
• Plugin(s): none

Describe the bug

spawn: npm "install" "--legacy-peer-deps" "tns-android@8.0.0" "--silent" "--dev" "--save-dev" "--save-exact"
Will send the following information to Google Analytics: {
  type: 'googleAnalyticsData',
  category: 'CLI',
  googleAnalyticsDataType: 'event',
  action: 'Performance',
  label: 'PackageManager__install',
  customDimensions: { cd2: 'Angular', cd9: 'false', cd5: 'CLI' },
  value: 10877
}
Error: Command npm failed with exit code 1
    at ChildProcess.<anonymous> (/usr/local/lib/node_modules/nativescript/lib/common/child-process.js:143:36)
    at ChildProcess.emit (events.js:315:20)
    at maybeClose (internal/child_process.js:1048:16)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:288:5)

To Reproduce

ns migrate --log trace

Expected behavior
Succesful migration

Comece reproduzindo ns migrate --log trace com as versões de CLI e runtime informadas. Inspecione nativescript/lib/common/child-process.js, onde a falha do processo npm é relatada, e então identifique o que faz a instalação do Android sair com o código 1; considera-se concluído quando a migração for concluída com sucesso.