Fix inconsistencies, checkstyle suppressions

Author: RanVaknin

build-tools/src/main/resources/software/amazon/awssdk/checkstyle-suppressions.xml

@@ -52,7 +52,7 @@
 
     <!-- Allow javax.xml.stream in benchmark protocol files (needed for V1 StAX unmarshalling) -->
     <suppress checks="software.amazon.awssdk.buildtools.checkstyle.NonJavaBaseModuleCheck"
-              files=".*benchmark[\\/]protocol[\\/].*\.java$"/>
+              files=".*benchmark[\\/]protocol[\\/]V1.*\.java$"/>
 
     <!-- Allow private field declaration before public, to have correct initialization order -->
     <suppress checks="DeclarationOrder"

test/sdk-benchmarks/src/main/java/software/amazon/awssdk/benchmark/protocol/V2RestJsonProtocolBenchmark.java

@@ -92,7 +92,7 @@ public void setup() throws Exception {
     }
 
     @Benchmark
-    public void createFunctionDeser(Blackhole bh) throws IOException {
+    public void createFunctionDeser(Blackhole bh) throws Exception {
         SdkHttpFullResponse response = SdkHttpFullResponse.builder()
             .statusCode(200)
             .putHeader("Content-Type", CONTENT_TYPE)