fix!: set & use ANDROID_HOME as default

[erisu]

Motivation and Context

Resolves #1425

Description

• Check ANDROID_HOME before ANDROID_SDK_ROOT
• Set ANDROID_HOME based on paths
• Flag ANDROID_SDK_ROOT as deprecate

Testing

npm t

Checklist

• I've run the tests to see all new and existing tests pass
• I added automated test coverage as appropriate for this change
• Commit is prefixed with (platform) if this change only applies to one platform (e.g. (android))
• If this Pull Request resolves an issue, I linked to the issue in the text above (and used the correct keyword to close issues using keywords)
• I've updated the documentation if necessary

[codecov-commenter]

Codecov Report

Merging #1444 (9383e82) into master (4916e1d) will not change coverage.
The diff coverage is 78.57%.

❗ Current head 9383e82 differs from pull request most recent head 8510c2b. Consider uploading reports for the commit 8510c2b to get more accurate results

@@           Coverage Diff           @@
##           master    #1444   +/-   ##
=======================================
  Coverage   75.96%   75.96%           
=======================================
  Files          21       21           
  Lines        1677     1677           
=======================================
  Hits         1274     1274           
  Misses        403      403           

Impacted Files	Coverage Δ
lib/check_reqs.js	71.05% <78.57%> (ø)

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[breautek]

lgtm