Use VBOs to render most geometries.

Change-Id: I4360dc4fe5693ab425450c107282b2c22db4dca7
diff --git a/libs/hwui/PatchCache.cpp b/libs/hwui/PatchCache.cpp
index 0fad628..71bab91 100644
--- a/libs/hwui/PatchCache.cpp
+++ b/libs/hwui/PatchCache.cpp
@@ -68,7 +68,7 @@
     }
 
     // If the 9patch is made of only transparent quads
-    if (transparentQuads == (width + 1) * (height + 1)) {
+    if (transparentQuads == int8_t((width + 1) * (height + 1))) {
         return NULL;
     }