fix: empty event handler warning on Android

Author: andresilveirah

src/index.ts

@@ -97,4 +97,8 @@ export class SPConsentManager implements Spec {
       this.emitter.removeAllListeners
     );
   }
+
+  addListener(_eventName: string): void {}
+  removeListeners(_count: number): void {}
+  getConstants?(): {};
 }

src/types.ts

@@ -120,4 +120,7 @@ export interface Spec extends TurboModule {
   onError(callback: (description: string) => void): void;
 
   dispose(): void;
+
+  addListener(eventName: string): void;
+  removeListeners(count: number): void;
 }