Merge "Prevent double-closing of native handle in HidlMemory" into sc-dev am: c53f7a2d41

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14719253

Change-Id: I66f98760647e639a9086b5ee78230a41b8838f93

core/java/android/os/HidlMemory.java

@@ -79,6 +79,7 @@ public class HidlMemory implements Closeable {
     public void close() throws IOException {
         if (mHandle != null) {
             mHandle.close();
+            mHandle = null;
         }
     }