fix IllegalArgumentException when rpc is over 15K

[xianshijing-lk]

The current code will thro a IllegalArgumentException when RPC is over 15K
While the function comment says that it will return failure containing the exception

[changeset-bot]

🦋 Changeset detected

Latest commit: fe0c959

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
client-sdk-android	Patch

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[github-actions]

Diffuse output:

OLD: diffuse-source-file
NEW: livekit-android-sdk-release.aar

 AAR      │ old      │ new      │ diff  
──────────┼──────────┼──────────┼───────
      jar │    4 MiB │    4 MiB │ +33 B 
 manifest │  1.5 KiB │  1.5 KiB │   0 B 
 lint-jar │ 12.7 KiB │ 12.7 KiB │   0 B 
    other │  1.8 KiB │  1.8 KiB │   0 B 
──────────┼──────────┼──────────┼───────
    total │    4 MiB │    4 MiB │ +33 B 

 JAR     │ old   │ new   │ diff      
─────────┼───────┼───────┼───────────
 classes │  2209 │  2209 │ 0 (+0 -0) 
 methods │ 42967 │ 42967 │ 0 (+0 -0) 
  fields │  8382 │  8382 │ 0 (+0 -0)

AAR

 size  │ diff  │ path          
───────┼───────┼───────────────
 4 MiB │ +33 B │ ∆ classes.jar 
───────┼───────┼───────────────
 4 MiB │ +33 B │ (total)

[xianshijing-lk]

Thanks @davidliu