Expand mediaextractor dumpsys

Bug: 22775369
Change-Id: I3366a52ba7a00d1685a2211465f2f18f143d0efc
diff --git a/include/media/IMediaExtractor.h b/include/media/IMediaExtractor.h
index 9f7a719..d9fcd89 100644
--- a/include/media/IMediaExtractor.h
+++ b/include/media/IMediaExtractor.h
@@ -19,6 +19,7 @@
 #define IMEDIA_EXTRACTOR_BASE_H_
 
 #include <media/IMediaSource.h>
+#include <media/IDataSource.h>
 
 namespace android {
 
@@ -69,6 +70,17 @@
                                 uint32_t flags = 0);
 };
 
+void registerMediaExtractor(
+        const sp<IMediaExtractor> &extractor,
+        const sp<IDataSource> &source,
+        const char *mime);
+
+void registerMediaSource(
+        const sp<IMediaExtractor> &extractor,
+        const sp<IMediaSource> &source);
+
+status_t dumpExtractors(int fd, const Vector<String16>& args);
+
 
 }  // namespace android