"#warning" conflict with -Werror

if code run #warning, it will have compile error.

Change-Id: Ic7f05cd722c14f3c5da89e2c3792615dd15cb798
Signed-off-by: Zhiquan Liu <zhiquan.liu@intel.com>
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 5ff79a9..4a701e8 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -134,7 +134,6 @@
     mSurfaceFlingerConsumer->setName(mName);
 
 #ifdef TARGET_DISABLE_TRIPLE_BUFFERING
-#warning "disabling triple buffering"
     mSurfaceFlingerConsumer->setDefaultMaxBufferCount(2);
 #else
     mSurfaceFlingerConsumer->setDefaultMaxBufferCount(3);