Add layer/texture creation tracing

Change-Id: I0af6a36c97a9f5f35d28e0e36539ba8d8011ea7c
diff --git a/libs/hwui/LayerRenderer.cpp b/libs/hwui/LayerRenderer.cpp
index a92ef94..e3b0daf 100644
--- a/libs/hwui/LayerRenderer.cpp
+++ b/libs/hwui/LayerRenderer.cpp
@@ -15,6 +15,7 @@
  */
 
 #define LOG_TAG "OpenGLRenderer"
+#define ATRACE_TAG ATRACE_TAG_VIEW
 
 #include <ui/Rect.h>
 
@@ -184,6 +185,7 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 Layer* LayerRenderer::createRenderLayer(RenderState& renderState, uint32_t width, uint32_t height) {
+    ATRACE_CALL();
     LAYER_RENDERER_LOGD("Requesting new render layer %dx%d", width, height);
 
     Caches& caches = Caches::getInstance();
@@ -309,6 +311,7 @@
 
 void LayerRenderer::destroyLayer(Layer* layer) {
     if (layer) {
+        ATRACE_CALL();
         LAYER_RENDERER_LOGD("Recycling layer, %dx%d fbo = %d",
                 layer->getWidth(), layer->getHeight(), layer->getFbo());