Add direct_dependent_settings to openmax_dl/dl.gyp.

With this change, targets depending on openmax_dl do not need to extend their include_dirs with the path to openmax_dl.

R=andrew@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/14469004

git-svn-id: http://webrtc.googlecode.com/svn/deps/third_party/openmax@6096 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/dl/dl.gyp b/dl/dl.gyp
index a1953a7..d4c812b 100644
--- a/dl/dl.gyp
+++ b/dl/dl.gyp
@@ -18,6 +18,11 @@
       'include_dirs': [
         '../',
       ],
+      'direct_dependent_settings': {
+        'include_dirs': [
+          '../',
+        ],
+      },
       'sources': [
         'api/omxtypes.h',
         'sp/api/omxSP.h',