fix(upgrade): Ensure upgrade adapter works on angular.js 1.2 (#8647)

modules/@angular/upgrade/src/upgrade_adapter.ts

@@ -319,7 +319,8 @@ export class UpgradeAdapter {
         .value(NG2_COMPONENT_FACTORY_REF_MAP, componentFactoryRefMap)
         .config([
           '$provide',
-          (provide) => {
+          '$injector',
+          (provide, ng1Injector) => {
             provide.decorator(NG1_ROOT_SCOPE, [
               '$delegate',
               function(rootScopeDelegate: angular.IRootScopeService) {
@@ -333,6 +334,7 @@ export class UpgradeAdapter {
                 return rootScope = rootScopeDelegate;
               }
             ]);
+            if (ng1Injector.has(NG1_TESTABILITY)) {
               provide.decorator(NG1_TESTABILITY, [
                 '$delegate',
                 function(testabilityDelegate: angular.ITestabilityService) {
@@ -355,6 +357,7 @@ export class UpgradeAdapter {
                 }
               ]);
             }
+          }
         ]);
 
     ng1compilePromise = new Promise((resolve, reject) => {