Fix boolean logic in SurfaceFlinger property read

Test: AUPT
Change-Id: Ib1db9198f470d62db1efa77193bf9e5f47b8a4b8
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index de7795b..55ad5fc 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -212,8 +212,8 @@
     mUseHwcVirtualDisplays = !atoi(value);
     ALOGI_IF(!mUseHwcVirtualDisplays, "Disabling HWC virtual displays");
 
-    property_get("ro.sf.disable_triple_buffer", value, "0");
-    mLayerTripleBufferingDisabled = !atoi(value);
+    property_get("ro.sf.disable_triple_buffer", value, "1");
+    mLayerTripleBufferingDisabled = atoi(value);
     ALOGI_IF(mLayerTripleBufferingDisabled, "Disabling Triple Buffering");
 }