build: update angular cli packages to version 12.0.0-next.9 (#41636)

This enables us to remove the workaround that we needed to consume `@angular-devkit/build-angular` from the snapshot builds.

PR Close #41636

integration/ng_elements_schematics/test.ts

@@ -45,9 +45,6 @@ for (let p of nodePackages) {
   packages[p] = `file:${bazelMappings[p]}` || `file:${__dirname}/../../node_modules/${p}`;
 }
 
-// TODO(alan-agius4): remove once the main repo dependency on `@angular-devkut/build-angular` is `0.1200.0-next.9` or greater.
-packages['@angular-devkit/build-angular'] = 'github:angular/angular-devkit-build-angular-builds#e0c1374b12cfc892844030431bc19f631c0086a5';
-
 // Clean up previously run test
 cd(__dirname);
 rm('-rf', `demo`);

package.json

@@ -41,11 +41,11 @@
   },
   "// 1": "dependencies are used locally and by bazel",
   "dependencies": {
-    "@angular-devkit/build-angular": "github:angular/angular-devkit-build-angular-builds#e0c1374b12cfc892844030431bc19f631c0086a5",
-    "@angular-devkit/build-optimizer": "0.1200.0-next.7",
-    "@angular-devkit/core": "12.0.0-next.7",
-    "@angular-devkit/schematics": "12.0.0-next.7",
-    "@angular/cli": "12.0.0-next.7",
+    "@angular-devkit/build-angular": "12.0.0-next.9",
+    "@angular-devkit/build-optimizer": "0.1200.0-next.9",
+    "@angular-devkit/core": "12.0.0-next.9",
+    "@angular-devkit/schematics": "12.0.0-next.9",
+    "@angular/cli": "12.0.0-next.9",
     "@babel/cli": "7.13.14",
     "@babel/core": "7.8.6",
     "@babel/generator": "7.8.6",
@@ -64,7 +64,7 @@
     "@microsoft/api-extractor": "7.7.11",
     "@octokit/rest": "16.28.7",
     "@octokit/types": "^5.5.0",
-    "@schematics/angular": "12.0.0-next.7",
+    "@schematics/angular": "12.0.0-next.9",
     "@types/angular": "^1.6.47",
     "@types/babel__core": "7.1.6",
     "@types/babel__generator": "7.6.1",