Move MTP code to the android namespace

Change-Id: I5da48038fd5e4cdeefaeba42cdc74eb588b3448d
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/media/mtp/MtpServer.h b/media/mtp/MtpServer.h
index 81b1c81..ca570f0 100644
--- a/media/mtp/MtpServer.h
+++ b/media/mtp/MtpServer.h
@@ -24,6 +24,8 @@
 
 #include "MtpUtils.h"
 
+namespace android {
+
 class MtpStorage;
 class MtpDatabase;
 
@@ -83,4 +85,6 @@
     MtpResponseCode     doGetObjectPropDesc();
 };
 
+}; // namespace android
+
 #endif // _MTP_SERVER_H