Added snippets for Media3 Inspector module and update Media3 version to 1.9.0-alpha01

[amanc3765]

Added Kotlin and Java snippets for following classes in Media3 Inspector module:

- MetadataRetriever
- FrameExtractor
- MediaExtractorCompat

These snippets will be added to DAC in a separate CL.
Also bumped Media3 version to 1.9.0-alpha01 to use this new module.

[snippet-bot]

Here is the summary of changes.

You are about to add 14 region tags.

• misc/src/main/java/com/example/snippets/InspectorModuleJavaSnippets.java:57, tag android_dev_retriever_media3_java
• misc/src/main/java/com/example/snippets/InspectorModuleJavaSnippets.java:85, tag android_migration_retriever_platform_java
• misc/src/main/java/com/example/snippets/InspectorModuleJavaSnippets.java:98, tag android_migration_retriever_media3_java
• misc/src/main/java/com/example/snippets/InspectorModuleJavaSnippets.java:127, tag android_dev_frame_media3_java
• misc/src/main/java/com/example/snippets/InspectorModuleJavaSnippets.java:150, tag android_migration_frame_platform_java
• misc/src/main/java/com/example/snippets/InspectorModuleJavaSnippets.java:166, tag android_migration_frame_media3_java
• misc/src/main/java/com/example/snippets/InspectorModuleJavaSnippets.java:189, tag android_dev_extractor_media3_java
• misc/src/main/java/com/example/snippets/InspectorModuleKotlinSnippets.kt:43, tag android_dev_retriever_media3_kotlin
• misc/src/main/java/com/example/snippets/InspectorModuleKotlinSnippets.kt:61, tag android_migration_retriever_platform_kotlin
• misc/src/main/java/com/example/snippets/InspectorModuleKotlinSnippets.kt:76, tag android_migration_retriever_media3_kotlin
• misc/src/main/java/com/example/snippets/InspectorModuleKotlinSnippets.kt:97, tag android_dev_frame_media3_kotlin
• misc/src/main/java/com/example/snippets/InspectorModuleKotlinSnippets.kt:115, tag android_migration_frame_platform_kotlin
• misc/src/main/java/com/example/snippets/InspectorModuleKotlinSnippets.kt:137, tag android_migration_frame_media3_kotlin
• misc/src/main/java/com/example/snippets/InspectorModuleKotlinSnippets.kt:156, tag android_dev_extractor_media3_kotlin

---

This comment is generated by snippet-bot.
If you find problems with this result, please file an issue at:
https://github.com/googleapis/repo-automation-bots/issues.
To update this comment, add snippet-bot:force-run label or use the checkbox below:

• Refresh this comment

[MayuriKhinvasara]

LGTM. Just one minor change.

[kkuan2011]

Sorry for the delayed review, missed this PR! Can you rebase? Then feel free to merge, thank you!