Making RxPlugins reset() public

Discussions found here: #2297
Adding @experimental tag because exposing reset() could be dangerous

Author: Shivang Shah

src/main/java/rx/plugins/RxJavaPlugins.java

@@ -17,6 +17,7 @@
 
 import java.util.*;
 import java.util.concurrent.atomic.AtomicReference;
+import rx.annotations.Experimental;
 
 /**
  * Registry for plugin implementations that allows global override and handles the retrieval of correct
@@ -66,7 +67,9 @@ public static RxJavaPlugins getInstance() {
 
     }
 
-    /* package accessible for unit tests */void reset() {
+    /* publicly accessible per: https://github.com/ReactiveX/RxJava/issues/2297 */
+    @Experimental
+    public void reset() {
         INSTANCE.errorHandler.set(null);
         INSTANCE.observableExecutionHook.set(null);
         INSTANCE.singleExecutionHook.set(null);