feat: AnalyticsHelper make singleton

core/analytics/src/demo/kotlin/com/google/samples/apps/nowinandroid/core/analytics/AnalyticsModule.kt

@@ -20,10 +20,12 @@ import dagger.Binds
 import dagger.Module
 import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
 
 @Module
 @InstallIn(SingletonComponent::class)
 internal abstract class AnalyticsModule {
     @Binds
+    @Singleton
     abstract fun bindsAnalyticsHelper(analyticsHelperImpl: StubAnalyticsHelper): AnalyticsHelper
 }

core/analytics/src/prod/kotlin/com/google/samples/apps/nowinandroid/core/analytics/AnalyticsModule.kt

@@ -30,6 +30,7 @@ import javax.inject.Singleton
 @InstallIn(SingletonComponent::class)
 internal abstract class AnalyticsModule {
     @Binds
+    @Singleton
     abstract fun bindsAnalyticsHelper(analyticsHelperImpl: FirebaseAnalyticsHelper): AnalyticsHelper
 
     companion object {