Use only one GL context per process, share chaches.

Change-Id: Ieabaa25338d2f4b8d4fd90e7401ad6e7452eae11
diff --git a/libs/hwui/PatchCache.cpp b/libs/hwui/PatchCache.cpp
index 694e3fd..a7c0cce 100644
--- a/libs/hwui/PatchCache.cpp
+++ b/libs/hwui/PatchCache.cpp
@@ -20,6 +20,7 @@
 #include <utils/ResourceTypes.h>
 
 #include "PatchCache.h"
+#include "Properties.h"
 
 namespace android {
 namespace uirenderer {
@@ -28,6 +29,9 @@
 // Constructors/destructor
 ///////////////////////////////////////////////////////////////////////////////
 
+PatchCache::PatchCache(): mCache(DEFAULT_PATCH_CACHE_SIZE) {
+}
+
 PatchCache::PatchCache(uint32_t maxEntries): mCache(maxEntries) {
 }