Upgarade Android SDK version of Air SDK

To use some native extension, need to upgrade Android SKD or Air SDK.
Air SDK include Android SDK, so upgrade it to latest version.
Refer:http://lancelotmobile.com/blog/air-compile-for-android-4/

• 1. Copy android\android-sdk-windows\platforms\android-15\android.jar
• 2. Rename \Air\AdobeAIRSDK31\lib\android\lib\resources\android-res.jar
• 3. Paste 1.android.jar to 2.folder
• 4.Rename android.jar to android-res.jar