MTP: Use DateTime form in GetObjectPropDesc for date/time properties.

Change-Id: I5a3c0b07a9f2958b86947256606e6a824dbe93a6
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/media/jni/android_media_MtpDatabase.cpp b/media/jni/android_media_MtpDatabase.cpp
index 4525d1f..f04a2ae 100644
--- a/media/jni/android_media_MtpDatabase.cpp
+++ b/media/jni/android_media_MtpDatabase.cpp
@@ -948,18 +948,21 @@
             result = new MtpProperty(property, MTP_TYPE_UINT128);
             break;
         case MTP_PROPERTY_NAME:
-        case MTP_PROPERTY_DATE_MODIFIED:
         case MTP_PROPERTY_DISPLAY_NAME:
-        case MTP_PROPERTY_DATE_ADDED:
         case MTP_PROPERTY_ARTIST:
         case MTP_PROPERTY_ALBUM_NAME:
         case MTP_PROPERTY_ALBUM_ARTIST:
-        case MTP_PROPERTY_ORIGINAL_RELEASE_DATE:
         case MTP_PROPERTY_GENRE:
         case MTP_PROPERTY_COMPOSER:
         case MTP_PROPERTY_DESCRIPTION:
             result = new MtpProperty(property, MTP_TYPE_STR);
             break;
+        case MTP_PROPERTY_DATE_MODIFIED:
+        case MTP_PROPERTY_DATE_ADDED:
+        case MTP_PROPERTY_ORIGINAL_RELEASE_DATE:
+            result = new MtpProperty(property, MTP_TYPE_STR);
+            result->setFormDateTime();
+            break;
         case MTP_PROPERTY_OBJECT_FILE_NAME:
             // We allow renaming files and folders
             result = new MtpProperty(property, MTP_TYPE_STR, true);