Revert Android PRs #19099, #19124, #19092, #19028

[JacobSzwejbka]

Summary

Reverts the following Android PRs:

• Android: consistent error types across all modules #19099 — Android: consistent error types across all modules
• Android: Module implements Closeable #19124 — Android: Module implements Closeable
• Android: improve error diagnostics for LlmModule and exceptions #19092 — Android: improve error diagnostics for LlmModule and exceptions
• Ignored Module tests: provide required input tensor #19028 — Ignored Module tests: provide required input tensor

Authored with Claude.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/19133

• 📄 Preview Python docs built from this PR

Note: Links to docs will display an error until the docs builds have been completed.

❗ 1 Active SEVs

There are 1 currently active SEVs. If your PR is affected, please view them below:

• Rolling out OSDC (ARC) runners on pull & trunk workflows in PyTorch main

⏳ No Failures, 43 Pending

As of commit 69a51eb with merge base 5252704 ():
💚 Looks good so far! There are no failures yet. 💚

This comment was automatically generated by Dr. CI and updates every 15 minutes.

[github-actions]

This PR needs a release notes: label

If your change should be included in the release notes (i.e. would users of this library care about this change?), please use a label starting with release notes:. This helps us keep track and include your important work in the next release notes.

To add a label, you can comment to pytorchbot, for example
@pytorchbot label "release notes: none"

For more information, see
https://github.com/pytorch/pytorch/wiki/PyTorch-AutoLabel-Bot#why-categorize-for-release-notes-and-how-does-it-work.