Cleanup various clang warnings, use unique_ptrs in several places

Change-Id: I347904b25e51fcc7de14b1e72f1acd0f6ba26f3f
diff --git a/libs/hwui/tests/main.cpp b/libs/hwui/tests/main.cpp
index 64ee5f6..ee16991 100644
--- a/libs/hwui/tests/main.cpp
+++ b/libs/hwui/tests/main.cpp
@@ -83,7 +83,7 @@
     rootNode->setPropertyFieldsDirty(RenderNode::GENERIC);
 
     ContextFactory factory;
-    RenderProxy* proxy = new RenderProxy(false, rootNode, &factory);
+    std::unique_ptr<RenderProxy> proxy(new RenderProxy(false, rootNode, &factory));
     proxy->loadSystemProperties();
     proxy->initialize(surface);
     float lightX = width / 2.0;
@@ -123,7 +123,6 @@
 
     sleep(5);
 
-    delete proxy;
     rootNode->decStrong(0);
 
     printf("Success!\n");