crypto: add some missing newlines

Change-Id: I6bc6b512fe6e841703229d45333421532ecebb83
diff --git a/crypto/ext4crypt/Keymaster3.cpp b/crypto/ext4crypt/Keymaster3.cpp
index 7862044..d53096e 100644
--- a/crypto/ext4crypt/Keymaster3.cpp
+++ b/crypto/ext4crypt/Keymaster3.cpp
@@ -181,11 +181,11 @@
 
     auto error = mDevice->begin(purpose, keyBlob, inParams.hidl_data(), hidlCb);
     if (!error.isOk()) {
-        LOG(ERROR) << "begin failed: " << error.description();
+        LOG(ERROR) << "begin failed: " << error.description() << "\n";
         return KeymasterOperation(ErrorCode::UNKNOWN_ERROR);
     }
     if (km_error != ErrorCode::OK) {
-        LOG(ERROR) << "begin failed, code " << int32_t(km_error);
+        LOG(ERROR) << "begin failed, code " << int32_t(km_error) << "\n";
         return KeymasterOperation(km_error);
     }
     return KeymasterOperation(mDevice, mOpHandle);