Add remote Gradle build cache support to Bitrise configuration

[samer-stripe]

Summary

Add remote Gradle build cache support to Bitrise configuration

We just recently got a 30 day trial for testing out the Bitrise remote build cache. This PR adds the necessary step into bitrise.yml

Motivation

Speeds us initial & retried test build times

[github-actions]

Diffuse output:

OLD: identity-example-release-base.apk (signature: V1, V2)
NEW: identity-example-release-pr.apk (signature: V1, V2)

          │          compressed          │         uncompressed         
          ├───────────┬───────────┬──────┼───────────┬───────────┬──────
 APK      │ old       │ new       │ diff │ old       │ new       │ diff 
──────────┼───────────┼───────────┼──────┼───────────┼───────────┼──────
      dex │     2 MiB │     2 MiB │  0 B │   4.2 MiB │   4.2 MiB │  0 B 
     arsc │     1 MiB │     1 MiB │  0 B │     1 MiB │     1 MiB │  0 B 
 manifest │   2.3 KiB │   2.3 KiB │  0 B │   8.1 KiB │   8.1 KiB │  0 B 
      res │ 301.5 KiB │ 301.5 KiB │  0 B │   455 KiB │   455 KiB │  0 B 
   native │   7.3 MiB │   7.3 MiB │  0 B │  18.4 MiB │  18.4 MiB │  0 B 
    asset │   1.6 MiB │   1.6 MiB │  0 B │   1.6 MiB │   1.6 MiB │  0 B 
    other │  99.8 KiB │  99.8 KiB │ +9 B │ 206.8 KiB │ 206.8 KiB │  0 B 
──────────┼───────────┼───────────┼──────┼───────────┼───────────┼──────
    total │  12.3 MiB │  12.3 MiB │ +9 B │  25.8 MiB │  25.8 MiB │  0 B 

 DEX     │ old   │ new   │ diff      
─────────┼───────┼───────┼───────────
   files │     1 │     1 │ 0         
 strings │ 21418 │ 21418 │ 0 (+0 -0) 
   types │  6642 │  6642 │ 0 (+0 -0) 
 classes │  5409 │  5409 │ 0 (+0 -0) 
 methods │ 30986 │ 30986 │ 0 (+0 -0) 
  fields │ 18093 │ 18093 │ 0 (+0 -0) 

 ARSC    │ old  │ new  │ diff 
─────────┼──────┼──────┼──────
 configs │  164 │  164 │  0   
 entries │ 3404 │ 3404 │  0

APK

   compressed    │   uncompressed   │                        
──────────┬──────┼───────────┬──────┤                        
 size     │ diff │ size      │ diff │ path                   
──────────┼──────┼───────────┼──────┼────────────────────────
 38.2 KiB │ +6 B │  86.7 KiB │  0 B │ ∆ META-INF/CERT.SF     
 29.5 KiB │ +4 B │  86.6 KiB │  0 B │ ∆ META-INF/MANIFEST.MF 
  1.2 KiB │ -1 B │   1.2 KiB │  0 B │ ∆ META-INF/CERT.RSA    
──────────┼──────┼───────────┼──────┼────────────────────────
 68.9 KiB │ +9 B │ 174.5 KiB │  0 B │ (total)

[jaynewstrom-stripe]

Have you done any comparison to see if this is faster?

[davidme-stripe]

Any update on this? I think our trial is over, so if this didn't help we can close it out