Merge "binder: ndk: add asBinderReference method to BpCInterface" into main am: 0b3be83 am: c9c984a

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3212142

Change-Id: I4f5c36c1a4d51430230097368e762392a0e413e0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

Author: Treehugger Robot

libs/binder/ndk/include_cpp/android/binder_interface_utils.h

@@ -225,6 +225,8 @@ class BpCInterface : public INTERFACE {
 
     SpAIBinder asBinder() override final;
 
+    const SpAIBinder& asBinderReference() { return mBinder; }
+
     bool isRemote() override final { return AIBinder_isRemote(mBinder.get()); }
 
     binder_status_t dump(int fd, const char** args, uint32_t numArgs) override {