Cordova version: 4.3.0
java version \"1.8.0_40\" 64bit
OS X 10.10.2
Ant version: 1.9.4
I think it's because the Cordova 4.3.0 has referenced the android.webkit.ClientCertRequest, which is newly added in API level 21.
FYI: https://developer.android.com/reference/android/webkit/ClientCertRequest.html