Include the okhttp.jar when compiling against internal classes
If LOCAL_SDK_VERSION is unset we were compiling against
core-libart but not okhttp.
okhttp should be an implementation detail but
The OpenJDK 8 version of of javac now requires all interfaces of
implemented classes be made available at compile time even with
-source 1.7 -target 1.7.
This is not an issue when compiling against the android.jar because
the implementation of HttpResponseCache in the android.jar does not
1 file changed