Add missing trace points

Test: traced opening recents
Change-Id: I51675f1c49f27f1bfa5b18e3d3dd7162e58b1cb8

libs/hwui/Readback.cpp

@@ -84,6 +84,7 @@ CopyResult Readback::copyHWBitmapInto(Bitmap* hwBitmap, SkBitmap* bitmap) {
 }
 
 CopyResult Readback::copyLayerInto(DeferredLayerUpdater* deferredLayer, SkBitmap* bitmap) {
+    ATRACE_CALL();
     if (!mRenderThread.getGrContext()) {
         return CopyResult::UnknownError;
     }
@@ -104,6 +105,7 @@ CopyResult Readback::copyLayerInto(DeferredLayerUpdater* deferredLayer, SkBitmap
 
 CopyResult Readback::copyImageInto(const sk_sp<SkImage>& image, Matrix4& texTransform,
                                    const Rect& srcRect, SkBitmap* bitmap) {
+    ATRACE_CALL();
     if (Properties::getRenderPipelineType() == RenderPipelineType::SkiaGL) {
         mRenderThread.requireGlContext();
     } else {

libs/hwui/renderthread/RenderProxy.cpp

@@ -162,6 +162,7 @@ void RenderProxy::buildLayer(RenderNode* node) {
 }
 
 bool RenderProxy::copyLayerInto(DeferredLayerUpdater* layer, SkBitmap& bitmap) {
+    ATRACE_NAME("TextureView#getBitmap");
     auto& thread = RenderThread::getInstance();
     return thread.queue().runSync([&]() -> bool {
         return thread.readback().copyLayerInto(layer, &bitmap) == CopyResult::Success;
@@ -347,6 +348,7 @@ void RenderProxy::prepareToDraw(Bitmap& bitmap) {
 }
 
 int RenderProxy::copyHWBitmapInto(Bitmap* hwBitmap, SkBitmap* bitmap) {
+    ATRACE_NAME("HardwareBitmap readback");
     RenderThread& thread = RenderThread::getInstance();
     if (gettid() == thread.getTid()) {
         // TODO: fix everything that hits this. We should never be triggering a readback ourselves.