Fix crash in "Tree::updateBitmapCache"

Fix crash caused by updating vectordrawable cache for objects
from previous frames, which may have been deleted.

Bug: 67940327
Test: Ran CtsUiRenderingTestCases test
Change-Id: I4466235e78e9b7937a0d4428240574d9e3d0989f
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index 5d7f594..ad684db 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -331,6 +331,7 @@
     info.layerUpdateQueue = &mLayerUpdateQueue;
 
     mAnimationContext->startFrame(info.mode);
+    mRenderPipeline->onPrepareTree();
     for (const sp<RenderNode>& node : mRenderNodes) {
         // Only the primary target node will be drawn full - all other nodes would get drawn in
         // real time mode. In case of a window, the primary node is the window content and the other
diff --git a/libs/hwui/renderthread/IRenderPipeline.h b/libs/hwui/renderthread/IRenderPipeline.h
index f9b6e384..0bb3889 100644
--- a/libs/hwui/renderthread/IRenderPipeline.h
+++ b/libs/hwui/renderthread/IRenderPipeline.h
@@ -81,6 +81,7 @@
     virtual bool pinImages(std::vector<SkImage*>& mutableImages) = 0;
     virtual bool pinImages(LsaVector<sk_sp<Bitmap>>& images) = 0;
     virtual void unpinImages() = 0;
+    virtual void onPrepareTree() = 0;
 
     virtual ~IRenderPipeline() {}
 };
diff --git a/libs/hwui/renderthread/OpenGLPipeline.h b/libs/hwui/renderthread/OpenGLPipeline.h
index 4ca19fb..1f467c1 100644
--- a/libs/hwui/renderthread/OpenGLPipeline.h
+++ b/libs/hwui/renderthread/OpenGLPipeline.h
@@ -58,6 +58,7 @@
     bool pinImages(std::vector<SkImage*>& mutableImages) override { return false; }
     bool pinImages(LsaVector<sk_sp<Bitmap>>& images) override;
     void unpinImages() override;
+    void onPrepareTree() override {}
     static void destroyLayer(RenderNode* node);
     static void prepareToDraw(const RenderThread& thread, Bitmap* bitmap);
     static void invokeFunctor(const RenderThread& thread, Functor* functor);