Force building in release mode

SKIA does not currenty work in debug mode, so we force a release build to allow
us to build with WebKit in debug mode.

Bug: 5448972
Change-Id: I66bc027a2b17b17287164d131acdc12d71d3334a
diff --git a/include/core/SkPreConfig.h b/include/core/SkPreConfig.h
index 6ec73ce..1ad296c 100644
--- a/include/core/SkPreConfig.h
+++ b/include/core/SkPreConfig.h
@@ -55,6 +55,10 @@
 
 //////////////////////////////////////////////////////////////////////
 
+// SKIA does not currently work in debug mode, so we force release mode to
+// allow it to be built with WebKit, when it's built in debug mode.
+// See http://b/5524273
+#define SK_RELEASE 1
 #if !defined(SK_DEBUG) && !defined(SK_RELEASE)
     #ifdef NDEBUG
         #define SK_RELEASE