Fix min/target sdk version setting if not in manifest
Fix min/target sdk version setting if not in manifest

pfn/android-sdk-plugin,pfn/android-sdk-plugin,dant3/android-sdk-plugin,aafa/android-sdk-plugin,adsinc/android-sdk-plugin,aafa/android-sdk-plugin,aafa/android-sdk-plugin,wpc009/android-sdk-plugin,adsinc/android-sdk-plugin,pfn/android-sdk-plugin,wpc009/android-sdk-plugin,dant3/android-sdk-plugin