Fix formatting issues, move g_disable_ping_ack check to the PING responder

src/core/ext/transport/chttp2/transport/chttp2_transport.c

@@ -2125,7 +2125,6 @@ void grpc_chttp2_config_default_keepalive_args(grpc_channel_args *args) {
             &args->args[i],
             (grpc_integer_options){g_default_client_keepalive_timeout_s, 0,
                                    INT_MAX});
-        ;
       } else if (0 == strcmp(args->args[i].key,
                              GRPC_ARG_KEEPALIVE_PERMIT_WITHOUT_CALLS)) {
         g_default_keepalive_permit_without_calls =

src/core/ext/transport/chttp2/transport/frame_ping.c

@@ -101,10 +101,9 @@ grpc_error *grpc_chttp2_ping_parser_parse(grpc_exec_ctx *exec_ctx, void *parser,
   if (p->byte == 8) {
     GPR_ASSERT(is_last);
     if (p->is_ack) {
-      if (!g_disable_ping_ack) {
       grpc_chttp2_ack_ping(exec_ctx, t, p->opaque_8bytes);
-      }
     } else {
+      if (!g_disable_ping_ack) {
         if (t->ping_ack_count == t->ping_ack_capacity) {
           t->ping_ack_capacity = GPR_MAX(t->ping_ack_capacity * 3 / 2, 3);
           t->ping_acks = gpr_realloc(
@@ -114,6 +113,7 @@ grpc_error *grpc_chttp2_ping_parser_parse(grpc_exec_ctx *exec_ctx, void *parser,
         grpc_chttp2_initiate_write(exec_ctx, t, false, "ping response");
       }
     }
+  }
 
   return GRPC_ERROR_NONE;
 }