Wire Up Max-Res Plumbing

(This is a port of http://go/wvgerrit/11556 from the Widevine CDM
repo.)

This wires up the new method on the crypto interface with the core
code that handles the max-res decode.

Bug: 16034599
Change-Id: Id2ea5635bf732eabf1fd33712ff8bab6cf1a1745

libwvdrmengine/cdm/core/include/cdm_engine.h

@@ -114,6 +114,10 @@ class CdmEngine {
   virtual bool DetachEventListener(const CdmSessionId& session_id,
                                    WvCdmEventListener* listener);
 
+  // Used for notifying the Max-Res Engine of resolution changes
+  virtual void NotifyResolution(const CdmSessionId& session_id, uint32_t width,
+                                uint32_t height);
+
   // Timer expiration method
   virtual void OnTimerEvent();