Include the framework copy of the OpenMAX headers instead of referencing external/opencore.

Change-Id: Ida8a2121e7f955027b0d860d971433cb0c3292b1
related-to-bug: 3101573
diff --git a/libstagefrighthw/Android.mk b/libstagefrighthw/Android.mk
index 8d2b73b..9037073 100644
--- a/libstagefrighthw/Android.mk
+++ b/libstagefrighthw/Android.mk
@@ -9,7 +9,7 @@
 LOCAL_CFLAGS := $(PV_CFLAGS_MINUS_VISIBILITY)
 
 LOCAL_C_INCLUDES:= \
-        $(TOP)/external/opencore/extern_libs_v2/khronos/openmax/include \
+        $(TOP)/frameworks/base/include/media/stagefright/openmax \
         $(TOP)/hardware/ti/omap3/liboverlay
 
 LOCAL_SHARED_LIBRARIES :=       \