[wrt] [XWALK-1269] Add tcs for xwalk-command-line option in packer tool
[wrt] [XWALK-1411] Add tcs for keep-screen-on option in packer tool
Merge pull request #93 from yxu66x/wrt/android/packer-tool

[wrt] [XWALK-1269] Add tcs for xwalk-command-line option in packer tool