Accept 'android-17' for Android 4.2.2 target.

adt-bundle-windows-x86-20130522 installed on Windows generates the following:

C:\>android list target
Available Android targets:
----------
id: 1 or "android-17"
     Name: Android 4.2.2
     Type: Platform
     API level: 17
     Revision: 2
     Skins: HVGA, QVGA, WQVGA400, WQVGA432, WSVGA, WVGA800 (default), WVGA854, WXGA720, WXGA800, WXGA800-7in
     ABIs : armeabi-v7a
Merge pull request #1 from scheib/master

Accept 'android-17' for Android 4.2.2 target.