[SurfaceFlinger] support EGLImage management in BLAST

This mirrors a performance optimization for BufferQueueLayers where
EGLImages were allocated in onFrameAvailable. Here when buffers are
passed over to SurfaceFlinger in a transaction, an EGLImage is also
created for that buffer.

This is critical for reducing jank when operating in higher refresh
rates, as eglCreateImageKHR can take long enough for frames to miss.

Bug: 133627730
Test: systrace of chrome in landscope orientation caches properly
Change-Id: I2022564fbecace7cadd00c89abdcc358d6323315
diff --git a/services/surfaceflinger/BufferStateLayer.h b/services/surfaceflinger/BufferStateLayer.h
index 4e2bc45..db8ae0d 100644
--- a/services/surfaceflinger/BufferStateLayer.h
+++ b/services/surfaceflinger/BufferStateLayer.h
@@ -34,7 +34,6 @@
 class BufferStateLayer : public BufferLayer {
 public:
     explicit BufferStateLayer(const LayerCreationArgs&);
-    ~BufferStateLayer() override;
 
     // -----------------------------------------------------------------------
     // Interface implementation for Layer
@@ -103,6 +102,9 @@
     bool fenceHasSignaled() const override;
     bool framePresentTimeIsCurrent() const override;
 
+    // Inherit from ClientCache::ErasedRecipient
+    void bufferErased(const client_cache_t& clientCacheId) override;
+
 private:
     nsecs_t getDesiredPresentTime() override;
     std::shared_ptr<FenceTime> getCurrentFenceTime() const override;