Report info message type for timer duration changes

// FREEBIE

src/Messages/Interactions/OWSDisappearingConfigurationUpdateInfoMessage.m

@@ -21,14 +21,13 @@ NS_ASSUME_NONNULL_BEGIN
                     configuration:(OWSDisappearingMessagesConfiguration *)configuration
               createdByRemoteName:(NSString *)name
 {
-    self = [super initWithTimestamp:timestamp inThread:thread];
+    self = [self initWithTimestamp:timestamp thread:thread configuration:configuration];
+
     if (!self) {
         return self;
     }
 
     _createdByRemoteName = name;
-    _configurationIsEnabled = configuration.isEnabled;
-    _configurationDurationSeconds = configuration.durationSeconds;
 
     return self;
 }
@@ -37,7 +36,7 @@ NS_ASSUME_NONNULL_BEGIN
                            thread:(TSThread *)thread
                     configuration:(OWSDisappearingMessagesConfiguration *)configuration
 {
-    self = [super initWithTimestamp:timestamp inThread:thread];
+    self = [super initWithTimestamp:timestamp inThread:thread messageType:TSInfoMessageTypeDisappearingMessagesUpdate];
     if (!self) {
         return self;
     }
@@ -48,7 +47,6 @@ NS_ASSUME_NONNULL_BEGIN
     return self;
 }
 
-
 - (NSString *)description
 {
     if (self.createdByRemoteName) {

src/Messages/Interactions/TSInfoMessage.h

@@ -15,7 +15,8 @@ typedef NS_ENUM(NSInteger, TSInfoMessageType) {
     TSInfoMessageUserNotRegistered,
     TSInfoMessageTypeUnsupportedMessage,
     TSInfoMessageTypeGroupUpdate,
-    TSInfoMessageTypeGroupQuit
+    TSInfoMessageTypeGroupQuit,
+    TSInfoMessageTypeDisappearingMessagesUpdate
 };
 
 + (instancetype)userNotRegisteredMessageInThread:(TSThread *)thread
@@ -26,10 +27,11 @@ typedef NS_ENUM(NSInteger, TSInfoMessageType) {
 
 - (instancetype)initWithTimestamp:(uint64_t)timestamp
                          inThread:(TSThread *)contact
-                      messageType:(TSInfoMessageType)infoMessage;
+                      messageType:(TSInfoMessageType)infoMessage NS_DESIGNATED_INITIALIZER;
+
 - (instancetype)initWithTimestamp:(uint64_t)timestamp
                          inThread:(TSThread *)thread
                       messageType:(TSInfoMessageType)infoMessage
-                    customMessage:(NSString *)customMessage;
+                    customMessage:(NSString *)customMessage NS_DESIGNATED_INITIALIZER;
 
 @end