Fix media_cas_proxy_sdk build issue.

Add example binary for testing building the SDK after 'git clone' from our repo.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=227583629

sdk/external/common/wvpl/wvpl_sdk_session.h

@@ -105,6 +105,13 @@ class WvPLSDKSession {
     return request_type_;
   }
 
+  /**
+   * Returns true if the license type is offline, otherwise return false.
+   *
+   * @return bool.
+   */
+  virtual bool is_offline_license() const;
+
  protected:
   const widevine::DrmRootCertificate* drm_root_certificate_;
   std::string user_agent_;

sdk/external/common/wvpl/wvpl_types.h

@@ -23,7 +23,7 @@
 
 namespace widevine_server {
 namespace wv_pl_sdk {
-typedef widevine::util::Status WvPLStatus;
+typedef widevine::Status WvPLStatus;
 typedef uint32_t uint32_t;
 typedef int64_t int64_t;