Add defaults for data collection state fields. (#10517)

Author: visumickey

FirebaseSessions/Sources/SessionStartEvent.swift

@@ -49,6 +49,11 @@ class SessionStartEvent: NSObject, GDTCOREventDataObject {
 //    proto.application_info.apple_app_info.network_connection_info
     proto.application_info.apple_app_info.os_name = convertOSName(osName: appInfo.osName)
     proto.application_info.apple_app_info.mcc_mnc = makeProtoString(appInfo.mccMNC)
+
+    proto.session_data.data_collection_status
+      .crashlytics = firebase_appquality_sessions_DataCollectionState_COLLECTION_UNKNOWN
+    proto.session_data.data_collection_status
+      .performance = firebase_appquality_sessions_DataCollectionState_COLLECTION_UNKNOWN
   }
 
   func setInstallationID(identifiers: IdentifierProvider) {

FirebaseSessions/Tests/Unit/SessionStartEventTests.swift

@@ -166,4 +166,21 @@ class SessionStartEventTests: XCTestCase {
         XCTAssertEqual(event.proto.application_info.log_environment, expected)
     }
   }
+
+  func test_dataCollectionState_defaultIsUnknown() {
+    identifiers.mockAllValidIDs()
+
+    let event = SessionStartEvent(identifiers: identifiers, appInfo: appInfo, time: time)
+
+    testProtoAndDecodedProto(sessionEvent: event) { proto in
+      XCTAssertEqual(
+        proto.session_data.data_collection_status.performance,
+        firebase_appquality_sessions_DataCollectionState_COLLECTION_UNKNOWN
+      )
+      XCTAssertEqual(
+        proto.session_data.data_collection_status.crashlytics,
+        firebase_appquality_sessions_DataCollectionState_COLLECTION_UNKNOWN
+      )
+    }
+  }
 }