Test/sangshuduo/td 13408 move example back for 2.0 (#10208)

* modify packaging scripts

* add examples/c in CMakeLists.txt

* update tests for 2.0

tests @ d580ad66

-Subproject commit 717dd0097d190d1e09cc7c37ec04c63e8de65714
+Subproject commit d580ad66e7a129b0b44f241c9cf2660ffd58bb85