Update testcase count for Other Charts & Maps#910

RajeshSomasundaram wants to merge 2 commits intohotfix/hotfix-v31.1.17syncfusion-content/ej2-angular-docs:hotfix/hotfix-v31.1.17from

EJ2-123-Chart-Angularsyncfusion-content/ej2-angular-docs:EJ2-123-Chart-AngularCopy head branch name to clipboard