[TIMOB-25599] Maintain strong Java reference, let JVM manage our Java…

… objects

android/runtime/v8/src/native/JavaObject.cpp

@@ -139,7 +139,7 @@ void JavaObject::detach()
 
 	// V8 says we don't need the object on the JS side
 	// Let's make the object weak in the JVM now...
-	MakeJavaWeak();
+	// MakeJavaWeak();
 }
 
 bool JavaObject::isDetached()
@@ -172,8 +172,9 @@ void JavaObject::MakeJavaStrong()
 			if (stored == NULL) {
 				// Sanity check. Did we get into a state where it was weak on Java, got GC'd but the C++ proxy didn't get deleted yet?
 				LOGE(TAG, "!!! OH NO! We tried to move a weak Java object back to strong, but it's aleady been GC'd by JVM! We're in a bad state! Key: %d", refTableKey_);
+			} else {
+				env->DeleteLocalRef(stored);
 			}
-			env->DeleteLocalRef(stored);
 		} else {
 			// New entry, make sure we have no key, have an object, get a new key
 			ASSERT(javaObject_ != NULL);