fix violations

Signed-off-by: Ze'ev Klapow <zklapow@hubspot.com>

java/grpc-client/src/main/java/io/vitess/client/grpc/GrpcClient.java

@@ -129,7 +129,7 @@ public class GrpcClient implements RpcClient {
         // Now we try hard shutdown
         channel.shutdownNow();
       }
-    } catch (InterruptedException e) {
+    } catch (InterruptedException exc) {
       Thread.currentThread().interrupt();
     }
 

java/grpc-client/src/main/java/io/vitess/client/grpc/GrpcClientFactory.java

@@ -98,7 +98,8 @@ public class GrpcClientFactory implements RpcClientFactory {
       channel.nameResolverFactory(nameResolverFactory);
     }
     return callCredentials != null
-        ? new GrpcClient(channel.build(), callCredentials, ctx) : new GrpcClient(channel.build(), ctx);
+        ? new GrpcClient(channel.build(), callCredentials, ctx)
+        : new GrpcClient(channel.build(), ctx);
   }
 
   /**