update_engine: add error log am: 1e56e35301

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2932912

Change-Id: Id87be22301e4933355bb1746f4d4a64a8f0e9b32
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/payload_consumer/delta_performer.cc b/payload_consumer/delta_performer.cc
index b4a3970..8083cb1 100644
--- a/payload_consumer/delta_performer.cc
+++ b/payload_consumer/delta_performer.cc
@@ -322,8 +322,8 @@
     if (metadata_size_ + metadata_signature_size_ > payload_->size) {
       LOG(ERROR) << "The size of the metadata_size(" << metadata_size_ << ")"
                  << " or metadata signature(" << metadata_signature_size_ << ")"
-                 << " is greater than the size of the payload"
-                 << "(" << payload_->size << ")";
+                 << " is greater than the size of the payload" << "("
+                 << payload_->size << ")";
       *error = ErrorCode::kDownloadInvalidMetadataSize;
       return MetadataParseResult::kError;
     }
@@ -440,6 +440,7 @@
 // and stores an action exit code in |error|.
 bool DeltaPerformer::Write(const void* bytes, size_t count, ErrorCode* error) {
   if (!error) {
+    LOG(INFO) << "Error Code is not initialized";
     return false;
   }
   *error = ErrorCode::kSuccess;