Refcounting is hard

Bug: 12994941

Change-Id: I6285ff818fc696dbe504174b98a54cb1d00b445c

libs/hwui/DeferredLayerUpdater.cpp

@@ -31,7 +31,6 @@ DeferredLayerUpdater::DeferredLayerUpdater(Layer* layer, OpenGLRenderer* rendere
         , mLayer(layer)
         , mRenderer(renderer)
         , mCaches(Caches::getInstance()) {
-    mCaches.resourceCache.incrementRefcount(mLayer);
     mWidth = mLayer->layer.getWidth();
     mHeight = mLayer->layer.getHeight();
     mBlend = mLayer->isBlend();

libs/hwui/DeferredLayerUpdater.h

@@ -34,6 +34,8 @@ namespace uirenderer {
 // of a render pass
 class DeferredLayerUpdater {
 public:
+    // Note that DeferredLayerUpdater assumes it is taking ownership of the layer
+    // and will not call incrementRef on it as a result.
     ANDROID_API DeferredLayerUpdater(Layer* layer, OpenGLRenderer* renderer = 0);
     ANDROID_API ~DeferredLayerUpdater();