MTP: Implement GetNumObjects

Change-Id: Iccc3a445f9a1eab7bb76eddd567c6a3a8f155b2b
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/media/mtp/MtpServer.h b/media/mtp/MtpServer.h
index aff973a..9ed1c84 100644
--- a/media/mtp/MtpServer.h
+++ b/media/mtp/MtpServer.h
@@ -94,6 +94,7 @@
     MtpResponseCode     doGetStorageInfo();
     MtpResponseCode     doGetObjectPropsSupported();
     MtpResponseCode     doGetObjectHandles();
+    MtpResponseCode     doGetNumObjects();
     MtpResponseCode     doGetObjectPropValue();
     MtpResponseCode     doGetObjectInfo();
     MtpResponseCode     doGetObject();