Kawase blur filter

For better performance and more stable large radius.
Also removing LensFilter given that performance was not
good enough for real time effects.

Test: visual (on Kawase and Gaussian)
Bug: 148614710
Change-Id: I81fd2cce030dafb8d87a7c65606632ac1ecfa113
diff --git a/libs/renderengine/gl/GLESRenderEngine.h b/libs/renderengine/gl/GLESRenderEngine.h
index 4fc457f..ebf78fe 100644
--- a/libs/renderengine/gl/GLESRenderEngine.h
+++ b/libs/renderengine/gl/GLESRenderEngine.h
@@ -262,7 +262,7 @@
     friend class GLFramebuffer;
     friend class BlurFilter;
     friend class GaussianBlurFilter;
-    friend class LensBlurFilter;
+    friend class KawaseBlurFilter;
     friend class GenericProgram;
     std::unique_ptr<FlushTracer> mFlushTracer;
     std::unique_ptr<ImageManager> mImageManager = std::make_unique<ImageManager>(this);