Add 'display-commonsys-intf/' from commit '9e007e8c997fef5aa3cb595df1748bf09bf20f1f'

git-subtree-dir: display-commonsys-intf
git-subtree-mainline: dd01e83c7a3d9006071939cd1bcb3b037f62e172
git-subtree-split: 9e007e8c997fef5aa3cb595df1748bf09bf20f1f
Change-Id: I6d244a265ff8e93264c355d628352a140db49fcf