Revert "Enable TripleBuffering on SF by default"

This reverts commit f222b2e6f4a3c26d6d2d9e3dd9056e5c95d7bc9c.

Change-Id: I300e46c9e93840fde85471eed4e5f7d10dde9b43
(cherry picked from commit 4e06b00ae85155117f4456c0beaa17175670f501)
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index c019c0a..de7795b 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -213,7 +213,7 @@
     ALOGI_IF(!mUseHwcVirtualDisplays, "Disabling HWC virtual displays");
 
     property_get("ro.sf.disable_triple_buffer", value, "0");
-    mLayerTripleBufferingDisabled = atoi(value);
+    mLayerTripleBufferingDisabled = !atoi(value);
     ALOGI_IF(mLayerTripleBufferingDisabled, "Disabling Triple Buffering");
 }