added a few more commands to SF's dumpsys

--latency-clear [name]
clears the latency data for the specified layer or for
all layers if none is specified

--list
prints the list of all layers regardless of their visibility

Change-Id: I7c07ae020f838c173b98ee50f3fb3e93da78acbb
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index c976e5a..b1b6116 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -337,8 +337,12 @@
             void        debugFlashRegions();
             void        drawWormhole() const;
            
+            void listLayersLocked(const Vector<String16>& args, size_t& index,
+                    String8& result, char* buffer, size_t SIZE) const;
             void dumpStatsLocked(const Vector<String16>& args, size_t& index,
                     String8& result, char* buffer, size_t SIZE) const;
+            void clearStatsLocked(const Vector<String16>& args, size_t& index,
+                    String8& result, char* buffer, size_t SIZE) const;
             void dumpAllLocked(String8& result, char* buffer, size_t SIZE) const;
 
     mutable     MessageQueue    mEventQueue;