Move MTP code to the android namespace

Change-Id: I5da48038fd5e4cdeefaeba42cdc74eb588b3448d
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/media/mtp/MtpStorage.h b/media/mtp/MtpStorage.h
index 011cb81..b1d4408 100644
--- a/media/mtp/MtpStorage.h
+++ b/media/mtp/MtpStorage.h
@@ -19,6 +19,8 @@
 
 #include "mtp.h"
 
+namespace android {
+
 class MtpDatabase;
 class SqliteStatement;
 
@@ -49,4 +51,6 @@
     int                     scanDirectory(const char* path, MtpObjectHandle parent);
 };
 
+}; // namespace android
+
 #endif // _MTP_STORAGE_H