Avoid leaking RenderEngine

... as this might allow an underlying `RenderEngineThreaded` thread
to race.

Bug: b/368983946
Test: stress test of VtsHalGraphicsComposer3_TargetTest
Bug: b/361574971
Test: ATP cuttlefish_gfxstream_guest_angle_graphics_vts_tests
(cherry picked from https://android-review.googlesource.com/q/commit:64f73a4c5fdc79a882c9047e69d9f64b89c013b9)
Merged-In: Ief71d8931ec3560780a850d8bb8bc727bbff5c52
Change-Id: Ief71d8931ec3560780a850d8bb8bc727bbff5c52
diff --git a/graphics/composer/aidl/vts/RenderEngineVts.cpp b/graphics/composer/aidl/vts/RenderEngineVts.cpp
index 66779c8..d0bc689 100644
--- a/graphics/composer/aidl/vts/RenderEngineVts.cpp
+++ b/graphics/composer/aidl/vts/RenderEngineVts.cpp
@@ -29,9 +29,7 @@
     mRenderEngine = ::android::renderengine::RenderEngine::create(args);
 }
 
-TestRenderEngine::~TestRenderEngine() {
-    mRenderEngine.release();
-}
+TestRenderEngine::~TestRenderEngine() {}
 
 void TestRenderEngine::setRenderLayers(std::vector<std::shared_ptr<TestLayer>> layers) {
     sort(layers.begin(), layers.end(),