SurfaceFlinger: set layer names on SurfaceTextures

This change sets the SurfaceTexture name string to match that of the
layer to which it belongs.

Change-Id: Ib302d79e916a36ab1e54cb9ff477c3b857bd957b

services/surfaceflinger/Layer.cpp

@@ -112,6 +112,11 @@ void Layer::onRemoved()
     mSurfaceTexture->abandon();
 }
 
+void Layer::setName(const String8& name) {
+    LayerBase::setName(name);
+    mSurfaceTexture->setName(name);
+}
+
 sp<ISurface> Layer::createSurface()
 {
     class BSurface : public BnSurface, public LayerCleaner {

services/surfaceflinger/Layer.h

@@ -74,6 +74,7 @@ public:
     virtual bool isProtected() const;
     virtual void onRemoved();
     virtual sp<Layer> getLayer() const { return const_cast<Layer*>(this); }
+    virtual void setName(const String8& name);
 
     // LayerBaseClient interface
     virtual wp<IBinder> getSurfaceTextureBinder() const;

services/surfaceflinger/LayerBase.h

@@ -81,7 +81,7 @@ public:
                 Region          transparentRegion;
             };
 
-            void setName(const String8& name);
+    virtual void setName(const String8& name);
             String8 getName() const;
 
             // modify current state