crosswalk-project/crosswalk — pull request #2270 by fujunwei (2014-08-01 08:23:02+00:00)
Title: [Android] Add tag to generate AAR library

use command "ninja -C out/Release xwalk_core_library_aar" can generate AAR library,
the AAR library test successfully by gradle.

the construct as follow
xwalk_core_library.aar
├── jni
│ └── x86
│ | └──so
└── armeabi-v7a
│ ├── so
├── res
├── classes.jar
├── R.txt
├── AndroidManifest.xml