Audio effects: modified command() parameter types.

The type of the cmd, cmdSize and *pReplySize parameters of the effect control interface command()
function have been modified from int to uint32_t. This is more consistent with their role.

Change-Id: I84d289fc262d6753747910f06f485597dfee6591
diff --git a/include/media/IEffectClient.h b/include/media/IEffectClient.h
index d22daf8..2f78c98 100644
--- a/include/media/IEffectClient.h
+++ b/include/media/IEffectClient.h
@@ -31,7 +31,11 @@
 
     virtual void controlStatusChanged(bool controlGranted) = 0;
     virtual void enableStatusChanged(bool enabled) = 0;
-    virtual void commandExecuted(int cmdCode, int cmdSize, void *pCmdData, int replySize, void *pReplyData) = 0;
+    virtual void commandExecuted(uint32_t cmdCode,
+                                 uint32_t cmdSize,
+                                 void *pCmdData,
+                                 uint32_t replySize,
+                                 void *pReplyData) = 0;
 };
 
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