Changed INSTRUCTION_FILE_SUFFIX to DEFAULT_INSTRUCTION_FILE_SUFFIX

Author: Anirav Kareddy

src/main/java/software/amazon/encryption/s3/internal/ContentMetadataDecodingStrategy.java

@@ -25,7 +25,7 @@
 import java.util.Map;
 import java.util.concurrent.CompletionException;
 
-import static software.amazon.encryption.s3.S3EncryptionClientUtilities.INSTRUCTION_FILE_SUFFIX;
+import static software.amazon.encryption.s3.S3EncryptionClientUtilities.DEFAULT_INSTRUCTION_FILE_SUFFIX;
 
 public class ContentMetadataDecodingStrategy {
 
@@ -227,7 +227,7 @@ private ContentMetadata decodeFromObjectMetadata(GetObjectRequest request, GetOb
     private ContentMetadata decodeFromInstructionFile(GetObjectRequest request, GetObjectResponse response) {
        String instructionFileSuffix = request.overrideConfiguration()
          .flatMap(config -> config.executionAttributes().getOptionalAttribute(S3EncryptionClient.CUSTOM_INSTRUCTION_FILE_SUFFIX))
-         .orElse(INSTRUCTION_FILE_SUFFIX);
+         .orElse(DEFAULT_INSTRUCTION_FILE_SUFFIX);
 
         GetObjectRequest instructionGetObjectRequest = GetObjectRequest.builder()
                 .bucket(request.bucket())