Fix platforms and zip attribute on new pods (#9670)

Author: paulb777

AddNewPod.md

@@ -76,6 +76,8 @@ For top-level Firebase pods that map to documented products:
   [FIRApp.m](FirebaseCore/Sources/FIRApp.m).
 * When ready to release with Firebase, add to the
   [Firebase manifest](ReleaseTooling/Sources/FirebaseManifest/FirebaseManifest.swift).
+* Create an empty JSON file to enable the Carthage build
+  [here](ReleaseTooling/Sources/CarthageJSON).
 * Add a [quickstart](https://github.com/firebase/quickstart-ios).
 
 ## Review and Release

ReleaseTooling/CarthageJSON/FirebaseAnalyticsOnDeviceConversionBinary.json

@@ -0,0 +1,2 @@
+{
+}

ReleaseTooling/Sources/FirebaseManifest/FirebaseManifest.swift

@@ -33,9 +33,9 @@ public let shared = Manifest(
     Pod("FirebaseCore"),
     Pod("FirebaseInstallations"),
     Pod("GoogleAppMeasurement", isClosedSource: true),
-    Pod("GoogleAppMeasurementOnDeviceConversion", isClosedSource: true),
+    Pod("GoogleAppMeasurementOnDeviceConversion", isClosedSource: true, platforms: ["ios"]),
     Pod("FirebaseAnalytics", isClosedSource: true),
-    Pod("FirebaseAnalyticsOnDeviceConversion", isClosedSource: true),
+    Pod("FirebaseAnalyticsOnDeviceConversion", isClosedSource: true, platforms: ["ios"], zip: true),
     Pod("FirebaseAnalyticsSwift", zip: true),
     Pod("FirebaseABTesting", zip: true),
     Pod("FirebaseAppCheck", zip: true),