Add flags word to context initialization.

bug 10427951

Change-Id: If3b9337712bd16655de4a42ccf829bbcd9e01b6e
diff --git a/rs.h b/rs.h
index 8a0761a..566d9ea 100644
--- a/rs.h
+++ b/rs.h
@@ -55,7 +55,7 @@
     void rsDeviceDestroy(RsDevice dev);
     void rsDeviceSetConfig(RsDevice dev, RsDeviceParam p, int32_t value);
     RsContext rsContextCreate(RsDevice dev, uint32_t version, uint32_t sdkVersion,
-                              RsContextType ct, bool forceCpu, bool synchronous);
+                              RsContextType ct, uint32_t flags);
 }
 #include "rsgApiFuncDecl.h"