Standardize the surface origin for each HWUI pipeline.

OpenGL prefers a bottom-left origin while Vulkan prefers the
top-left. Prior to this change we were inconsistent in Vulkan by
creating layers with a bottom-left origin which was different from
the primary buffer.

Test: CtsUiRenderingTestCases
Change-Id: Icfeed4085021cae941aeab58720406e3b3e37923
diff --git a/libs/hwui/renderthread/IRenderPipeline.h b/libs/hwui/renderthread/IRenderPipeline.h
index 42e17b273..d4dd629 100644
--- a/libs/hwui/renderthread/IRenderPipeline.h
+++ b/libs/hwui/renderthread/IRenderPipeline.h
@@ -84,6 +84,7 @@
     virtual void onPrepareTree() = 0;
     virtual SkColorType getSurfaceColorType() const = 0;
     virtual sk_sp<SkColorSpace> getSurfaceColorSpace() = 0;
+    virtual GrSurfaceOrigin getSurfaceOrigin() = 0;
 
     virtual ~IRenderPipeline() {}
 };