fix(native): expose tapped audio stats (#10524)

Need to encode the audio based on the sample's sample rate & channels.
Also fixed that global audio tap not receiving any samples at all.

packages/frontend/native/index.d.ts

@@ -19,6 +19,8 @@ export declare class ApplicationStateChangedSubscriber {
 
 export declare class AudioTapStream {
   stop(): void
+  get sampleRate(): number
+  get channels(): number
 }
 
 export declare class DocStorage {