Print enum value as string.

Bug: 211704107
Test: mm
Change-Id: Idb898699a0f8496a8e1f79cee733318c8dfd4830
diff --git a/compos/compos_key_cmd/compos_key_cmd.cpp b/compos/compos_key_cmd/compos_key_cmd.cpp
index d19b713..8ed07e6 100644
--- a/compos/compos_key_cmd/compos_key_cmd.cpp
+++ b/compos/compos_key_cmd/compos_key_cmd.cpp
@@ -165,7 +165,7 @@
     }
 
     ::ndk::ScopedAStatus onDied(int32_t in_cid, DeathReason reason) override {
-        LOG(WARNING) << "VM died! cid = " << in_cid << " reason = " << static_cast<int>(reason);
+        LOG(WARNING) << "VM died! cid = " << in_cid << " reason = " << toString(reason);
         {
             std::unique_lock lock(mMutex);
             mDied = true;