Add @hide to AppSpecializationHooks#handleCompatChangesBeforeBindingApplication

The class is already @hide, so the method is not exposed in the public
SDK.

Bug: 181661604
Test: m droid
Change-Id: I22090676f23e03384f96358f1bb7c658dfa107a8
diff --git a/dalvik/src/main/java/dalvik/system/AppSpecializationHooks.java b/dalvik/src/main/java/dalvik/system/AppSpecializationHooks.java
index 3f6cad3..6f8806d 100644
--- a/dalvik/src/main/java/dalvik/system/AppSpecializationHooks.java
+++ b/dalvik/src/main/java/dalvik/system/AppSpecializationHooks.java
@@ -34,6 +34,8 @@
      *
      * This is a good place to change system properties / clear cache due to an app compat change
      * before an app starts.
+     *
+     * @hide
      */
     @CorePlatformApi
     public static void handleCompatChangesBeforeBindingApplication() {