Don't do ClassLoader prep in dexopt.

The code to cache the method info for ClassLoader.loadClass() was
happening in dexopt, which is a problem when you're optimizing core.jar.
This splits it out into a different function, which the dexopt startup
doesn't call.

Change-Id: I0bd5b9323b65e8f152b2ab4ea8e58fcf0039e53c
3 files changed