Add CardElement Activity tests

[tjclawson-stripe]

Summary

Add tests that attempt to display CardFormView, CardMultilineWidget, and CardInputWidget on a base Activity.

Motivation

Ensure LifecycleOwnerDelegate properly stubs required AndroidX dependencies

Testing

• Added tests
• Modified tests
• Manually verified

[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 │   3.9 MiB │   3.9 MiB │ -89 B │   8.6 MiB │   8.6 MiB │ +12 B 
     arsc │   2.3 MiB │   2.3 MiB │   0 B │   2.3 MiB │   2.3 MiB │   0 B 
 manifest │   5.1 KiB │   5.1 KiB │   0 B │  25.6 KiB │  25.6 KiB │   0 B 
      res │ 933.6 KiB │ 933.6 KiB │   0 B │   1.5 MiB │   1.5 MiB │   0 B 
   native │   2.6 MiB │   2.6 MiB │   0 B │     6 MiB │     6 MiB │   0 B 
    asset │   2.9 MiB │   2.9 MiB │  -2 B │   2.9 MiB │   2.9 MiB │  -2 B 
    other │   196 KiB │   196 KiB │  +3 B │ 430.6 KiB │ 430.6 KiB │   0 B 
──────────┼───────────┼───────────┼───────┼───────────┼───────────┼───────
    total │  12.8 MiB │  12.8 MiB │ -88 B │  21.7 MiB │  21.7 MiB │ +10 B 

 DEX     │ old   │ new   │ diff      
─────────┼───────┼───────┼───────────
   files │     1 │     1 │ 0         
 strings │ 42635 │ 42635 │ 0 (+1 -1) 
   types │ 14134 │ 14134 │ 0 (+0 -0) 
 classes │ 11770 │ 11770 │ 0 (+0 -0) 
 methods │ 60378 │ 60378 │ 0 (+0 -0) 
  fields │ 40043 │ 40043 │ 0 (+0 -0) 

 ARSC    │ old  │ new  │ diff 
─────────┼──────┼──────┼──────
 configs │  242 │  242 │  0   
 entries │ 6247 │ 6247 │  0

APK

    compressed    │   uncompressed    │                                           
──────────┬───────┼───────────┬───────┤                                           
 size     │ diff  │ size      │ diff  │ path                                      
──────────┼───────┼───────────┼───────┼───────────────────────────────────────────
  3.9 MiB │ -89 B │   8.6 MiB │ +12 B │ ∆ classes.dex                             
 50.1 KiB │  +3 B │ 118.2 KiB │   0 B │ ∆ META-INF/MANIFEST.MF                    
  7.9 KiB │  -2 B │   7.7 KiB │  -2 B │ ∆ assets/dexopt/baseline.prof             
    272 B │  +1 B │     120 B │   0 B │ ∆ META-INF/version-control-info.textproto 
  1.2 KiB │  -1 B │   1.2 KiB │   0 B │ ∆ META-INF/CERT.RSA                       
──────────┼───────┼───────────┼───────┼───────────────────────────────────────────
    4 MiB │ -88 B │   8.7 MiB │ +10 B │ (total)

DEX

STRINGS:

   old   │ new   │ diff      
  ───────┼───────┼───────────
   42635 │ 42635 │ 0 (+1 -1) 
  
  + ~~R8{backend:dex,compilation-mode:release,has-checksums:false,min-api:21,pg-map-id:3b1d132,r8-mode:full,version:8.5.35}
  
  - ~~R8{backend:dex,compilation-mode:release,has-checksums:false,min-api:21,pg-map-id:4737c42,r8-mode:full,version:8.5.35}