Update triggerImsDeregistration to specify the reason

Bug: 219242993
Test: build & flash
Change-Id: I57231552b1e5620b50469fcbaeec1919c80d53d2
diff --git a/radio/aidl/vts/radio_ims_utils.h b/radio/aidl/vts/radio_ims_utils.h
index c9ecf4a..e829e43 100644
--- a/radio/aidl/vts/radio_ims_utils.h
+++ b/radio/aidl/vts/radio_ims_utils.h
@@ -66,7 +66,8 @@
     virtual ndk::ScopedAStatus notifyAnbr(RadioIndicationType type, ImsStreamType mediaType,
             ImsStreamDirection direction, int bitsPerSecond) override;
 
-    virtual ndk::ScopedAStatus triggerImsDeregistration(RadioIndicationType type) override;
+    virtual ndk::ScopedAStatus triggerImsDeregistration(RadioIndicationType type,
+            ImsDeregistrationReason reason) override;
 };
 
 // The main test class for Radio AIDL Ims.