Merge pull request #1212 from MariusVolkhart/imagePipelineConfig

[IMPROVEMENT] Change ImagePipelineConfig initialization in Dagger graph

app/src/main/java/chat/rocket/android/dagger/module/AppModule.kt

@@ -38,7 +38,6 @@ import chat.rocket.core.internal.ReactionsAdapter
 import com.facebook.drawee.backends.pipeline.DraweeConfig
 import com.facebook.imagepipeline.backends.okhttp3.OkHttpImagePipelineConfigFactory
 import com.facebook.imagepipeline.core.ImagePipelineConfig
-import com.facebook.imagepipeline.listener.RequestListener
 import com.facebook.imagepipeline.listener.RequestLoggingListener
 import com.squareup.moshi.Moshi
 import dagger.Module
@@ -138,8 +137,7 @@ class AppModule {
     @Provides
     @Singleton
     fun provideImagePipelineConfig(context: Context, @ForFresco okHttpClient: OkHttpClient): ImagePipelineConfig {
-        val listeners = HashSet<RequestListener>()
-        listeners.add(RequestLoggingListener())
+        val listeners = setOf(RequestLoggingListener())
 
         return OkHttpImagePipelineConfigFactory.newBuilder(context, okHttpClient)
             .setRequestListeners(listeners)