Correctly compute tex coords for rect layers.
Bug #4192695

This change also fixes Javadoc links in the framework.

Change-Id: Ia548bcb18baba5d6fe6a4a04a2278e3a3bd465b2
diff --git a/libs/hwui/LayerRenderer.cpp b/libs/hwui/LayerRenderer.cpp
index ba110ec..ca1e7ae 100644
--- a/libs/hwui/LayerRenderer.cpp
+++ b/libs/hwui/LayerRenderer.cpp
@@ -102,19 +102,7 @@
             mLayer->meshElementCount = 0;
         }
 
-        const android::Rect& bounds = mLayer->region.getBounds();
-        mLayer->regionRect.set(bounds.leftTop().x, bounds.leftTop().y,
-                bounds.rightBottom().x, bounds.rightBottom().y);
-
-        const float texX = 1.0f / float(mLayer->width);
-        const float texY = 1.0f / float(mLayer->height);
-        const float height = mLayer->layer.getHeight();
-        mLayer->texCoords.set(
-                mLayer->regionRect.left * texX,
-                (height - mLayer->regionRect.top) * texY,
-                mLayer->regionRect.right * texX,
-                (height - mLayer->regionRect.bottom) * texY);
-
+        mLayer->setRegionAsRect();
         return;
     }