checkPackagePrivateAccess only for API 17(4.2)

Google revert this for compatibility.
see https://android.googlesource.com/platform/dalvik/+/7284c78e14a7aad15b4f1c66c0a18d09a49c00de for details.

BTW, it seems that is also disabled for late 4.2
Use options.checkPackagePrivateAccess
Merge pull request #25 from yyjdelete/patch-1

checkPackagePrivateAccess only for API 17(4.2)