Add support for retrieving location information in mp4/3gpp files

Change-Id: Ib8427704ef9ee5a4fa8fe1818c8a62d77b4ea687
related-to-bug: 5560253
diff --git a/media/libstagefright/StagefrightMetadataRetriever.cpp b/media/libstagefright/StagefrightMetadataRetriever.cpp
index c74cb5a..4491c97 100644
--- a/media/libstagefright/StagefrightMetadataRetriever.cpp
+++ b/media/libstagefright/StagefrightMetadataRetriever.cpp
@@ -418,6 +418,7 @@
         { kKeyYear, METADATA_KEY_YEAR },
         { kKeyWriter, METADATA_KEY_WRITER },
         { kKeyCompilation, METADATA_KEY_COMPILATION },
+        { kKeyLocation, METADATA_KEY_LOCATION },
     };
     static const size_t kNumMapEntries = sizeof(kMap) / sizeof(kMap[0]);