Don't warn on classes that aren't available due to compile only dependencies.

[jaynewstrom-stripe]

Fixes #6577

Summary

Update proguard rules to not warn on compile only dependencies. These are expected, and we've planned for it!

Motivation

#6577

Testing

• Added tests
• Modified tests
• Manually verified

Changelog

• [FIXED]6612 Fixed an issue where the Android Gradle Plugin 8.0 and later would cause issues with R8 in full mode related to missing classes.

[github-actions]

Diffuse output:

OLD: paymentsheet-example-release-master.apk (signature: V1, V2)
NEW: paymentsheet-example-release-pr.apk (signature: V1, V2)

          │          compressed          │         uncompressed         
          ├───────────┬───────────┬──────┼───────────┬───────────┬──────
 APK      │ old       │ new       │ diff │ old       │ new       │ diff 
──────────┼───────────┼───────────┼──────┼───────────┼───────────┼──────
      dex │   3.3 MiB │   3.3 MiB │  0 B │   7.3 MiB │   7.3 MiB │  0 B 
     arsc │   2.1 MiB │   2.1 MiB │  0 B │   2.1 MiB │   2.1 MiB │  0 B 
 manifest │   4.6 KiB │   4.6 KiB │  0 B │  22.3 KiB │  22.3 KiB │  0 B 
      res │ 866.9 KiB │ 866.9 KiB │  0 B │   1.3 MiB │   1.3 MiB │  0 B 
   native │   2.6 MiB │   2.6 MiB │  0 B │     6 MiB │     6 MiB │  0 B 
    asset │     3 MiB │     3 MiB │  0 B │     3 MiB │     3 MiB │  0 B 
    other │ 199.5 KiB │ 199.5 KiB │  0 B │ 446.8 KiB │ 446.8 KiB │  0 B 
──────────┼───────────┼───────────┼──────┼───────────┼───────────┼──────
    total │    12 MiB │    12 MiB │  0 B │  20.2 MiB │  20.2 MiB │  0 B 

 DEX     │ old   │ new   │ diff      
─────────┼───────┼───────┼───────────
   files │     1 │     1 │ 0         
 strings │ 35776 │ 35776 │ 0 (+0 -0) 
   types │ 11812 │ 11812 │ 0 (+0 -0) 
 classes │  9924 │  9924 │ 0 (+0 -0) 
 methods │ 52687 │ 52687 │ 0 (+0 -0) 
  fields │ 33486 │ 33486 │ 0 (+0 -0) 

 ARSC    │ old  │ new  │ diff 
─────────┼──────┼──────┼──────
 configs │  291 │  291 │  0   
 entries │ 6914 │ 6914 │  0