ART: Add VLOG to GenericJNI

Add a VLOG(third_party_jni) that details the call, that is, print
the Java method and the target's address.

Bug: 128869974
Test: m test-art-host
Change-Id: I335115924c0f040d939f3bb55237f7e253b7a549
diff --git a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
index 2758a8d..160dff1 100644
--- a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
+++ b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
@@ -2476,6 +2476,11 @@
   }
 #endif
 
+  VLOG(third_party_jni) << "GenericJNI: "
+                        << called->PrettyMethod()
+                        << " -> "
+                        << std::hex << reinterpret_cast<uintptr_t>(nativeCode);
+
   // Return native code addr(lo) and bottom of alloca address(hi).
   return GetTwoWordSuccessValue(reinterpret_cast<uintptr_t>(visitor.GetBottomOfUsedArea()),
                                 reinterpret_cast<uintptr_t>(nativeCode));