Remove ownership parameter from GrResourceProvider::wrapBackendTextureAsRenderTarget

Remove ownership parameter from
GrResourceProvider::wrapBackendTextureAsRenderTarget.
The function leaks the texture id if kAdopt_LifeCycle is passed.

There is no public API to access the parameter.

BUG=594928
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1842313003

Review URL: https://codereview.chromium.org/1842313003
diff --git a/tools/gpu/GrTest.cpp b/tools/gpu/GrTest.cpp
index 2b6463d..818bf64 100644
--- a/tools/gpu/GrTest.cpp
+++ b/tools/gpu/GrTest.cpp
@@ -340,8 +340,7 @@
         return nullptr;
     }
 
-    GrRenderTarget* onWrapBackendTextureAsRenderTarget(const GrBackendTextureDesc&,
-                                                       GrWrapOwnership) override {
+    GrRenderTarget* onWrapBackendTextureAsRenderTarget(const GrBackendTextureDesc&) override {
         return nullptr;
     }