crosswalk-project/crosswalk — pull request #1932 by wang16 (2014-05-09 03:28:39+00:00)
Title: [Android] Place README.md in empty src of xwalk_core_library

Otherwise, the archiving will ignore the empty src folder.
The build.xml in android sdk using ant to create apk requires
a src folder even it's empty.

BUG=XWALK-1650, XWALK-1654

(cherry-pick from commit e5d674d)