Encryption: try wrapped key if the first time decryption fails

Change-Id: I108b7aeea41c6b85c851f40c1c4a7e25012e2463
diff --git a/crypto/ext4crypt/KeyStorage4.cpp b/crypto/ext4crypt/KeyStorage4.cpp
index b91d6e4..b086791 100644
--- a/crypto/ext4crypt/KeyStorage4.cpp
+++ b/crypto/ext4crypt/KeyStorage4.cpp
@@ -177,12 +177,12 @@
             return true;
         }
         if (ret != km::ErrorCode::KEY_REQUIRES_UPGRADE) return false;
-        LOG(DEBUG) << "Upgrading key";
+        LOG(DEBUG) << "Upgrading key" << std::endl;
         std::string kmKeyStr(reinterpret_cast<const char*>(kmKey.data()), kmKey.size());
         std::string newKey;
         if (!keymaster.upgradeKey(kmKeyStr, km::AuthorizationSet(), &newKey)) return false;
         memcpy(reinterpret_cast<void*>(kmKey.data()), newKey.c_str(), kmKey.size());
-        LOG(INFO) << "Key upgraded";
+        LOG(INFO) << "Key upgraded" << std::endl;
         export_again = true;
     }
     //Should never come here