libbinder_ndk: add log to death rec. CHECK

This would have saved a cycle to discover an issue with wp::fromExisting
bug.

Bug: N/A
Test: N/A
Change-Id: I321208cf0ef79bbd821510018c15e0c96dfa14ad
diff --git a/libs/binder/ndk/ibinder.cpp b/libs/binder/ndk/ibinder.cpp
index 76afd4c..883403a 100644
--- a/libs/binder/ndk/ibinder.cpp
+++ b/libs/binder/ndk/ibinder.cpp
@@ -363,7 +363,8 @@
 }
 
 void AIBinder_DeathRecipient::TransferDeathRecipient::binderDied(const wp<IBinder>& who) {
-    CHECK(who == mWho);
+    CHECK(who == mWho) << who.unsafe_get() << "(" << who.get_refs() << ") vs " << mWho.unsafe_get()
+                       << " (" << mWho.get_refs() << ")";
 
     mOnDied(mCookie);