android: video_core: Add support for disk shader cache. (#64)

src/android/app/src/main/jni/id_cache.h

@@ -2,10 +2,15 @@
 
 #include <jni.h>
 
+#include "video_core/rasterizer_interface.h"
+
 namespace IDCache {
 
 JNIEnv* GetEnvForThread();
 jclass GetNativeLibraryClass();
+jclass GetDiskCacheProgressClass();
+jclass GetDiskCacheLoadCallbackStageClass();
 jmethodID GetExitEmulationActivity();
+jmethodID GetDiskCacheLoadProgress();
 
 } // namespace IDCache