Support Android projects

[ogolberg]

Need a completely different setup to cooperate with AGP and access source set outputs for Android projects.

Fixes #91

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 9 lines in your changes missing coverage. Please review.

Project coverage is 86.78%. Comparing base (2d6f7c5) to head (55b0871).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...in/kotlin/com/toasttab/expediter/gradle/Sources.kt	40.00%	2 Missing and 1 partial ⚠️
...oasttab/expediter/gradle/android/AndroidOutputs.kt	76.92%	0 Missing and 3 partials ⚠️
.../toasttab/expediter/gradle/android/AndroidHooks.kt	75.00%	1 Missing ⚠️
.../expediter/gradle/config/AndroidApplicationSpec.kt	80.00%	1 Missing ⚠️
...oasttab/expediter/gradle/config/ApplicationSpec.kt	75.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #113      +/-   ##
============================================
- Coverage     87.12%   86.78%   -0.35%     
- Complexity      284      285       +1     
============================================
  Files            40       43       +3     
  Lines          1010     1029      +19     
  Branches        151      155       +4     
============================================
+ Hits            880      893      +13     
- Misses           71       75       +4     
- Partials         59       61       +2     

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