Update user agent strings to match spec

Author: paulb777

Firebase/DynamicLinks/FIRDynamicLinks.m

@@ -115,7 +115,7 @@ @implementation FIRDynamicLinks {
 #ifdef FIRDynamicLinks3P
 
 + (void)load {
-  [FIRApp registerInternalLibrary:self withName:@"fire-dynlinks" withVersion:kFIRDLVersion];
+  [FIRApp registerInternalLibrary:self withName:@"fire-dl" withVersion:kFIRDLVersion];
 }
 
 + (nonnull NSArray<FIRComponent *> *)componentsToRegister {

Firebase/Messaging/FIRMessaging.m

@@ -213,7 +213,7 @@ - (void)dealloc {
 
 + (void)load {
   [FIRApp registerInternalLibrary:(Class<FIRLibrary>)self
-                 withName:@"fire-msg"
+                 withName:@"fire-fcm"
               withVersion:FIRMessagingCurrentLibraryVersion()];
 }
 

Firebase/Storage/FIRStorageComponent.m

@@ -53,7 +53,7 @@ - (instancetype)initWithApp:(FIRApp *)app {
 
 + (void)load {
   [FIRApp registerInternalLibrary:(Class<FIRLibrary>)self
-                         withName:@"fire-storage"
+                         withName:@"fire-str"
                       withVersion:[NSString stringWithUTF8String:FIRStorageVersionString]];
 }
 

Functions/FirebaseFunctions/FIRFunctions.m

@@ -77,7 +77,7 @@ @implementation FIRFunctions
 + (void)load {
   NSString *version = [NSString stringWithUTF8String:(const char *const)STR(FIRFunctions_VERSION)];
   [FIRApp registerInternalLibrary:(Class<FIRLibrary>)self
-                         withName:@"fire-functions"
+                         withName:@"fire-fun"
                       withVersion:version];
 }