[ci skip], add emptytest.py
[ci skip], modify print infomation in emptytest.py
[ci skip], modify information of print.
[Jenkins][ci skip] Create and save cpp-empty-test apk for autotest
[ci skip], modify apk path.
argh... changelog is outdated
Merge pull request #6290 from ricardoquesada/fix_changelog

argh... changelog is outdated
Merge pull request #6282 from shujunqiao/empty-test

[ci skip], add emptytest.py
Merge pull request #6289 from lmskater/create-save-apk

[Jenkins][ci skip] Create and save cpp-empty-test apk for autotest