Add ASR module and LoRA/dataFiles instrumentation tests

[psiddh]

Adds two new Android instrumentation test suites covering previously untested API surfaces, completing feature testing coverage for OKR 3.2.

AsrModuleInstrumentationTest (18 tests): constructor validation, lifecycle (close idempotency, use-after-close), transcribe validation, and AsrTranscribeConfig builder/validation.

LlmLoraInstrumentationTest (13 tests): dataFiles constructor variants, LlmModuleConfig with dataPath, invalid data file error handling, baseline equivalence, and config builder validation.

Test plan

• ./gradlew :executorch_android:connectedAndroidTest -Pandroid.testInstrumentationRunnerArguments.class=org.pytorch.executor ch.AsrModuleInstrumentationTest
• ./gradlew :executorch_android:connectedAndroidTest -Pandroid.testInstrumentationRunnerArguments.class=org.pytorch.executor ch.LlmLoraInstrumentationTest
• Verify all 31 new tests pass on emulator (API 34 x86_64)
• Verify existing tests are unaffected

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/19859

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• ✅ login: psiddh / name: Siddartha Pothapragada (70bcbaf)

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[Copilot]

Pull request overview

Adds two new Android instrumentation test suites under extension/android/executorch_android/src/androidTest/ to cover previously untested API surfaces: AsrModule / AsrTranscribeConfig / AsrCallback, and LlmModule's LoRA / dataFiles constructor variants together with LlmModuleConfig validation. No production code is modified. The tests rely on the existing TinyStories .pte and tokenizer test fixtures provisioned by android_test_setup.sh.

Changes:

• Adds AsrModuleInstrumentationTest.kt covering ASR constructor/path validation, lifecycle (close idempotency, use-after-close), transcribe input validation, and AsrTranscribeConfig builder/equality/validation.
• Adds LlmLoraInstrumentationTest.kt covering LlmModule dataFiles/dataPath constructor variants, LlmModuleConfig dataPath / loadMode integration, invalid data-file error handling, baseline equivalence with the no-data constructor, and config builder validation.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
extension/android/executorch_android/src/androidTest/java/org/pytorch/executorch/AsrModuleInstrumentationTest.kt	New instrumentation tests for AsrModule, lifecycle, and AsrTranscribeConfig.
extension/android/executorch_android/src/androidTest/java/org/pytorch/executorch/LlmLoraInstrumentationTest.kt	New instrumentation tests for LlmModule dataFiles/dataPath constructors and LlmModuleConfig builder.

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[Copilot]

Pull request overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.