Add worker for syncing media in media sets

- Also added mime type filter for both media sets ad media in media sets
- Added additional util function to fetch mediaSetId and
  mediaSetPickerId

Bug: 379629906

Test: atest MediaInMediaSetSyncWorkerTest

Flag: com.android.providers.media.flags.cloud_media_provider_search
Change-Id: I8c2e10e5ca562bac58361208e707b2cf68df9972