Merge commit 'd564588d7dd6975e13037af5cec6c33f52c9e55d' * commit 'd564588d7dd6975e13037af5cec6c33f52c9e55d': Reorganize Service API demos.
Merge commit 'd564588d7dd6975e13037af5cec6c33f52c9e55d' * commit 'd564588d7dd6975e13037af5cec6c33f52c9e55d': Reorganize Service API demos.