Add a system property to control Skia reduceOpsTaskSplitting

We are testing this flag with a subset of devices in dogfood and
need to have this plumbing available.

Bug: 183612348
Change-Id: I8041053ff3da94b08cd6793fac3ff282bc73da9a
diff --git a/libs/hwui/renderthread/RenderThread.h b/libs/hwui/renderthread/RenderThread.h
index a7d1ba8..48e3e12 100644
--- a/libs/hwui/renderthread/RenderThread.h
+++ b/libs/hwui/renderthread/RenderThread.h
@@ -38,6 +38,12 @@
 #include "thread/ThreadBase.h"
 #include "utils/TimeUtils.h"
 
+/**
+ * (Bool) Turns on the Skia GPU option "reduceOpsTaskSplitting" which improves GPU
+ * efficiency but may increase VRAM consumption. Default is false.
+ */
+#define PROPERTY_REDUCE_OPS_TASK_SPLITTING "renderthread.skia.reduceopstasksplitting"
+
 namespace android {
 
 class Bitmap;