refactor(ivy): migrate ɵɵ prefix back to Δ (#30362)

Now that issues are resolved with Closure compiler, we can move back to our desired prefix of `Δ`.

PR Close #30362

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

@@ -690,33 +690,33 @@
     "name": "viewAttachedToChangeDetector"
   },
   {
-    "name": "ɵɵdefineComponent"
+    "name": "ΔdefineComponent"
   },
   {
-    "name": "ɵɵdefineInjectable"
+    "name": "ΔdefineInjectable"
   },
   {
-    "name": "ɵɵdefineInjector"
+    "name": "ΔdefineInjector"
   },
   {
-    "name": "ɵɵdefineNgModule"
+    "name": "ΔdefineNgModule"
   },
   {
-    "name": "ɵɵelement"
+    "name": "Δelement"
   },
   {
-    "name": "ɵɵelementEnd"
+    "name": "ΔelementEnd"
   },
   {
-    "name": "ɵɵelementStart"
+    "name": "ΔelementStart"
   },
   {
-    "name": "ɵɵnamespaceHTML"
+    "name": "ΔnamespaceHTML"
   },
   {
-    "name": "ɵɵsetComponentScope"
+    "name": "ΔsetComponentScope"
   },
   {
-    "name": "ɵɵtext"
+    "name": "Δtext"
   }
 ]

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

@@ -501,15 +501,15 @@
     "name": "viewAttachedToChangeDetector"
   },
   {
-    "name": "ɵɵdefineComponent"
+    "name": "ΔdefineComponent"
   },
   {
-    "name": "ɵɵdefineInjectable"
+    "name": "ΔdefineInjectable"
   },
   {
-    "name": "ɵɵnamespaceHTML"
+    "name": "ΔnamespaceHTML"
   },
   {
-    "name": "ɵɵtext"
+    "name": "Δtext"
   }
 ]

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

@@ -195,12 +195,12 @@
     "name": "throwMixedMultiProviderError"
   },
   {
-    "name": "ɵɵdefineInjectable"
+    "name": "ΔdefineInjectable"
   },
   {
-    "name": "ɵɵdefineInjector"
+    "name": "ΔdefineInjector"
   },
   {
-    "name": "ɵɵinject"
+    "name": "Δinject"
   }
 ]

packages/core/test/bundling/injection/usage.ts

@@ -6,17 +6,17 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {Injector, ɵcreateInjector as createInjector, ɵɵdefineInjectable, ɵɵdefineInjector} from '@angular/core';
+import {Injector, ɵcreateInjector as createInjector, ΔdefineInjectable, ΔdefineInjector} from '@angular/core';
 
 export class RootService {
-  static ngInjectableDef = ɵɵdefineInjectable({
+  static ngInjectableDef = ΔdefineInjectable({
     providedIn: 'root',
     factory: () => new RootService(),
   });
 }
 
 export class ScopedService {
-  static ngInjectableDef = ɵɵdefineInjectable({
+  static ngInjectableDef = ΔdefineInjectable({
     providedIn: null,
     factory: () => new ScopedService(),
   });
@@ -28,7 +28,7 @@ export class ScopedService {
 }
 
 export class DefinedInjector {
-  static ngInjectorDef = ɵɵdefineInjector({
+  static ngInjectorDef = ΔdefineInjector({
     factory: () => new DefinedInjector(),
     providers: [ScopedService],
   });

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

@@ -1362,72 +1362,72 @@
     "name": "wrapListener"
   },
   {
-    "name": "ɵɵbind"
+    "name": "Δbind"
   },
   {
-    "name": "ɵɵclassProp"
+    "name": "ΔclassProp"
   },
   {
-    "name": "ɵɵdefineComponent"
+    "name": "ΔdefineComponent"
   },
   {
-    "name": "ɵɵdefineDirective"
+    "name": "ΔdefineDirective"
   },
   {
-    "name": "ɵɵdefineInjectable"
+    "name": "ΔdefineInjectable"
   },
   {
-    "name": "ɵɵdirectiveInject"
+    "name": "ΔdirectiveInject"
   },
   {
-    "name": "ɵɵelementEnd"
+    "name": "ΔelementEnd"
   },
   {
-    "name": "ɵɵelementStart"
+    "name": "ΔelementStart"
   },
   {
-    "name": "ɵɵgetCurrentView"
+    "name": "ΔgetCurrentView"
   },
   {
-    "name": "ɵɵinject"
+    "name": "Δinject"
   },
   {
-    "name": "ɵɵinterpolation1"
+    "name": "Δinterpolation1"
   },
   {
-    "name": "ɵɵlistener"
+    "name": "Δlistener"
   },
   {
-    "name": "ɵɵnamespaceHTML"
+    "name": "ΔnamespaceHTML"
   },
   {
-    "name": "ɵɵnextContext"
+    "name": "ΔnextContext"
   },
   {
-    "name": "ɵɵproperty"
+    "name": "Δproperty"
   },
   {
-    "name": "ɵɵreference"
+    "name": "Δreference"
   },
   {
-    "name": "ɵɵrestoreView"
+    "name": "ΔrestoreView"
   },
   {
-    "name": "ɵɵselect"
+    "name": "Δselect"
   },
   {
-    "name": "ɵɵstyling"
+    "name": "Δstyling"
   },
   {
-    "name": "ɵɵstylingApply"
+    "name": "ΔstylingApply"
   },
   {
-    "name": "ɵɵtemplate"
+    "name": "Δtemplate"
   },
   {
-    "name": "ɵɵtext"
+    "name": "Δtext"
   },
   {
-    "name": "ɵɵtextBinding"
+    "name": "ΔtextBinding"
   }
 ]

packages/core/test/bundling/todo_i18n/index.ts

@@ -16,7 +16,7 @@ import '@angular/core/test/bundling/util/src/reflect_metadata';
  */
 import './translations';
 import {CommonModule} from '@angular/common';
-import {Component, Injectable, NgModule, ViewEncapsulation, ɵmarkDirty as markDirty, ɵrenderComponent as renderComponent, ɵɵi18nLocalize as localize} from '@angular/core';
+import {Component, Injectable, NgModule, ViewEncapsulation, ɵmarkDirty as markDirty, ɵrenderComponent as renderComponent, Δi18nLocalize as localize} from '@angular/core';
 
 class Todo {
   editing: boolean;