Updated the getting started sample in angular#3

SrisabariSF4261 wants to merge 1 commit intomasterSyncfusionExamples/getting-started-with-the-angular-pivot-table-component:masterfrom

EJ2-sampleSyncfusionExamples/getting-started-with-the-angular-pivot-table-component:EJ2-sampleCopy head branch name to clipboard