Minor update for the classifier

- use VerifyAndBuildFromFile to replace BuildFromFile
- make sure input sample rate meet eraser effect requirement

Flag: com.android.media.audio.audio_eraser_effect
Bug: 385114798
Test: atest VtsHalEraserTargetTest
Change-Id: Ie4ea7fd6f2853dfb13a20736a8faa62d12520b4e