Change caching default to off.

Change-Id: I1e1fd23045dae91063d332971ff4a08a42853afe
diff --git a/lib/bcc/Compiler.cpp b/lib/bcc/Compiler.cpp
index 65cb0bf..6b36507 100644
--- a/lib/bcc/Compiler.cpp
+++ b/lib/bcc/Compiler.cpp
@@ -369,7 +369,7 @@
     mResId = i;
   }
 
-  this->props.mNoCache = getProp("debug.bcc.nocache");
+  this->props.mNoCache = !getProp("debug.bcc.cache");
   if (this->props.mNoCache) {
     resName = NULL;
   }