DO NOT MERGE libmedia: add sub resource type audio-codec and video-codec.

Bug: 20559813
Change-Id: If231cb44337ca7dc74c39fc3cd73e2b6f3cb85b8
(cherry picked from commit d4c1f6b4ecfef7323422359fc38bd1edb1abf205)
diff --git a/media/libmedia/MediaResource.cpp b/media/libmedia/MediaResource.cpp
index eea2c43..40ec0cb 100644
--- a/media/libmedia/MediaResource.cpp
+++ b/media/libmedia/MediaResource.cpp
@@ -23,6 +23,8 @@
 
 const char kResourceSecureCodec[] = "secure-codec";
 const char kResourceNonSecureCodec[] = "non-secure-codec";
+const char kResourceAudioCodec[] = "audio-codec";
+const char kResourceVideoCodec[] = "video-codec";
 const char kResourceGraphicMemory[] = "graphic-memory";
 
 MediaResource::MediaResource() : mValue(0) {}