feat(core): upgrade rxjs to 6.0.0-alpha.4 (#22573)

PR Close #22573

packages/core/test/bundling/injection/bundle.golden_symbols.json

@@ -2,6 +2,21 @@
   {
     "name": "APP_ROOT"
   },
+  {
+    "name": "Action"
+  },
+  {
+    "name": "AnimationFrameAction"
+  },
+  {
+    "name": "AsapAction"
+  },
+  {
+    "name": "AsyncAction"
+  },
+  {
+    "name": "AsyncScheduler"
+  },
   {
     "name": "CIRCULAR$1"
   },
@@ -14,6 +29,9 @@
   {
     "name": "INJECTOR$1"
   },
+  {
+    "name": "Immediate"
+  },
   {
     "name": "Inject"
   },
@@ -29,15 +47,27 @@
   {
     "name": "NullInjector"
   },
+  {
+    "name": "Observable"
+  },
   {
     "name": "Optional"
   },
   {
     "name": "PARAMETERS"
   },
+  {
+    "name": "QueueAction"
+  },
   {
     "name": "R3Injector"
   },
+  {
+    "name": "SafeSubscriber"
+  },
+  {
+    "name": "Scheduler"
+  },
   {
     "name": "ScopedService"
   },
@@ -48,7 +78,10 @@
     "name": "SkipSelf"
   },
   {
-    "name": "Symbol$1"
+    "name": "Subscriber"
+  },
+  {
+    "name": "Subscription"
   },
   {
     "name": "THROW_IF_NOT_FOUND"
@@ -56,29 +89,56 @@
   {
     "name": "USE_VALUE$1"
   },
+  {
+    "name": "UnsubscriptionError"
+  },
   {
     "name": "_THROW_IF_NOT_FOUND"
   },
   {
-    "name": "__global$1"
+    "name": "__extends$1"
+  },
+  {
+    "name": "__extends$10"
+  },
+  {
+    "name": "__extends$11"
+  },
+  {
+    "name": "__extends$12"
+  },
+  {
+    "name": "__extends$13"
+  },
+  {
+    "name": "__extends$14"
+  },
+  {
+    "name": "__extends$17"
+  },
+  {
+    "name": "__extends$18"
+  },
+  {
+    "name": "__extends$19"
+  },
+  {
+    "name": "__extends$2"
+  },
+  {
+    "name": "__extends$20"
   },
   {
     "name": "__read"
   },
-  {
-    "name": "__self$1"
-  },
   {
     "name": "__spread"
   },
-  {
-    "name": "__window$1"
-  },
   {
     "name": "_currentInjector"
   },
   {
-    "name": "_root"
+    "name": "config"
   },
   {
     "name": "couldBeInjectableType"
@@ -95,6 +155,15 @@
   {
     "name": "defineInjector"
   },
+  {
+    "name": "empty"
+  },
+  {
+    "name": "errorObject"
+  },
+  {
+    "name": "flattenUnsubscriptionErrors"
+  },
   {
     "name": "forwardRef"
   },
@@ -105,7 +174,10 @@
     "name": "getNullInjector"
   },
   {
-    "name": "getSymbolObservable"
+    "name": "getPromiseCtor"
+  },
+  {
+    "name": "getSymbolIterator$1"
   },
   {
     "name": "hasDeps"
@@ -122,12 +194,21 @@
   {
     "name": "injectableDefRecord"
   },
+  {
+    "name": "isArray"
+  },
   {
     "name": "isExistingProvider"
   },
   {
     "name": "isFactoryProvider"
   },
+  {
+    "name": "isFunction"
+  },
+  {
+    "name": "isObject"
+  },
   {
     "name": "isTypeProvider"
   },
@@ -143,12 +224,30 @@
   {
     "name": "makeRecord"
   },
+  {
+    "name": "nextHandle"
+  },
+  {
+    "name": "noop"
+  },
+  {
+    "name": "observable"
+  },
+  {
+    "name": "pipeFromArray"
+  },
   {
     "name": "providerToRecord"
   },
   {
     "name": "resolveForwardRef"
   },
+  {
+    "name": "runIfPresent"
+  },
+  {
+    "name": "rxSubscriber"
+  },
   {
     "name": "setCurrentInjector"
   },
@@ -156,6 +255,15 @@
     "name": "stringify"
   },
   {
-    "name": "symbolIteratorPonyfill"
+    "name": "tasksByHandle"
+  },
+  {
+    "name": "toSubscriber"
+  },
+  {
+    "name": "tryCatch"
+  },
+  {
+    "name": "tryCatcher"
   }
 ]