Add FirebaseAppDistribution to ZipBuilder

FirebaseAppDistribution/Sources/Public/FIRAppDistribution.h

@@ -13,9 +13,7 @@
 // limitations under the License.
 
 @class FIRAppDistributionRelease;
-#import <AppAuth/AppAuth.h>
 #import <Foundation/Foundation.h>
-#import <UIKit/UIKit.h>
 
 NS_ASSUME_NONNULL_BEGIN
 

ZipBuilder/Sources/ZipBuilder/FirebasePods.swift

@@ -38,6 +38,7 @@ enum FirebasePods: String, CaseIterable {
   case performance = "FirebasePerformance"
   case remoteConfig = "FirebaseRemoteConfig"
   case storage = "FirebaseStorage"
+  case appdistribution = "FirebaseAppDistribution"
 
   /// Describes the dependency on other frameworks for the README file.
   static func readmeHeader(podName: String) -> String {