Simplify Texture member initialization

Change-Id: Iaaa6dd20e64a0a075d732b101e3c4278cad44047
diff --git a/libs/hwui/GradientCache.cpp b/libs/hwui/GradientCache.cpp
index fb4c785..ea93e7f 100644
--- a/libs/hwui/GradientCache.cpp
+++ b/libs/hwui/GradientCache.cpp
@@ -166,7 +166,7 @@
     GradientInfo info;
     getGradientInfo(colors, count, info);
 
-    Texture* texture = new Texture();
+    Texture* texture = new Texture(Caches::getInstance());
     texture->width = info.width;
     texture->height = 2;
     texture->blend = info.hasAlpha;