remove (dead) caches from hwui

Test: make

Change-Id: I18bfe51896672272ce7d471eaead69b651399368
diff --git a/libs/hwui/utils/PaintUtils.h b/libs/hwui/utils/PaintUtils.h
index 233adae..f8e8a0a 100644
--- a/libs/hwui/utils/PaintUtils.h
+++ b/libs/hwui/utils/PaintUtils.h
@@ -20,6 +20,7 @@
 
 #include <SkColorFilter.h>
 #include <SkDrawLooper.h>
+#include <SkPaint.h>
 #include <SkShader.h>
 
 namespace android {