Add support for MTP_RESET_DEVICE operation.

Since we only support one open session, this
command is the same as CLOSE_SESSION.

Test: mtp-reset
Change-Id: I2e95687a685af239c92473feb7c98419fcd55a1e
diff --git a/media/mtp/MtpServer.cpp b/media/mtp/MtpServer.cpp
index 5a1d6dc..88dabff 100644
--- a/media/mtp/MtpServer.cpp
+++ b/media/mtp/MtpServer.cpp
@@ -54,7 +54,7 @@
     MTP_OPERATION_SEND_OBJECT,
 //    MTP_OPERATION_INITIATE_CAPTURE,
 //    MTP_OPERATION_FORMAT_STORE,
-//    MTP_OPERATION_RESET_DEVICE,
+    MTP_OPERATION_RESET_DEVICE,
 //    MTP_OPERATION_SELF_TEST,
 //    MTP_OPERATION_SET_OBJECT_PROTECTION,
 //    MTP_OPERATION_POWER_DOWN,
@@ -362,6 +362,7 @@
         case MTP_OPERATION_OPEN_SESSION:
             response = doOpenSession();
             break;
+        case MTP_OPERATION_RESET_DEVICE:
         case MTP_OPERATION_CLOSE_SESSION:
             response = doCloseSession();
             break;