[Android] Fix fullscreen not working issue on Android versions < 4.2

Change the values-v17 to values-v14, as we support Android versions >= 4.0

BUG=XWALK-2307

(cherry picked from commit a5eaa79fda72eb585ebf7e362d3ae999913fffe6)
Merge pull request #2351 from kurli/crosswalk-8-v14

[Android] Fix fullscreen not working issue on Android versions < 4.2